What are symbols used for?
Answers
A mark, sign, or phrase is a symbol if it denotes, or is taken to denote, an idea, an object, or a relationship.
What does a symbol in writing mean?A symbol in literature is something that stands for or symbolizes another idea. A symbol can be almost anything, including an item, a mark, an image, a character, a name, or a location. A literary technique known as symbolism uses symbols to give a story significance.
What do the symbols mean?A symbol is anything that stands for or represents anything else. A character, an action, a thing, or an animal can all have symbolic meaning in a story. These symbols frequently represent an abstract concept, such a force of nature, a global condition, or a notion.
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Related Questions
(Please help)
What is the most common isotope for element X
Answers
Answer:
Isotope 2
Explanation:
Isotope 2 is the most abundant. Its percent abundance is 78.68% which is the largest percentage, and therefore the most common of the isotopes presented.
Good luck!
what type of chemical reaction is SrCl2 + F2 → SrF2 + Cl2
Answers
single replacement
example of a single replacement:
AB + C —> AC + B
Please help, I need the answer asap. Got a test on Monday!!
Answers
1. The bacterial cell shown is a prokaryotic cell.
2a. The similarities between prokaryotic and eukaryotic cells include:
they both have cell membranesthey both carry out the activities of lifethey both contain genetic material in the form of DNA2b. The differences between prokaryotic and eukaryotic cells include:
eukaryotic cells have membrane-bound organelles but prokaryotic cells do noteukaryotic cells have a membrane-bound nucleus but prokaryotic cells do notWhat are eukaryotic and prokaryotic cells?Eukaryotic cells are cells that possess a membrane-bound nucleus as well as membrane-bound cell organelles.
Eukaryotic cells are cells of higher organisms such as animals and plants.
Prokaryotic cells are cells that lack a membrane-bound nucleus as well as membrane-bound cell organelles.
Prokaryotic cells are cells of lower organisms such as bacteria.
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Which statement best describes how excessive carbon dioxide and other greenhouse gases in the atmosphere alter the system illustrated above
Answers
The excessive presence of carbon dioxide and other greenhouse gases in the atmosphere disrupts the natural balance of the Earth's climate system, resulting in far-reaching and potentially detrimental impacts on the environment and human societies.
Excessive carbon dioxide and other greenhouse gases in the atmosphere alter the system illustrated above, known as Earth's climate system, by contributing to the greenhouse effect. The greenhouse effect is a natural process that allows the Earth to maintain a habitable temperature by trapping heat from the sun. However, the increased concentration of greenhouse gases due to human activities, such as burning fossil fuels and deforestation, enhances this effect and leads to significant changes in the climate system.
When greenhouse gases accumulate in the atmosphere, they act as a blanket, trapping more heat and preventing it from escaping into space. This causes a gradual increase in global temperatures, known as global warming. The consequences of global warming include rising sea levels, melting ice caps and glaciers, more frequent and severe extreme weather events, and disruptions to ecosystems and biodiversity.
Additionally, excessive carbon dioxide can dissolve in the oceans, leading to ocean acidification. This can harm marine organisms such as coral reefs and shellfish, impacting entire marine ecosystems.
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A certain gas has a volume of 500.0 ml at 77.0c and 600.0 torr. calculate the temperature if the volume decreased to 400.0 ml and the pressure is increased to 760. torr and assume the number of moles does not change.
Answers
As the volume is decreased and the pressure is increased to the given value, the temperature of the gas increases to 81.67°C.
Given the data in the question;
Initial volume of gas; \(V_1 = 500.0ml = 0.5L\)Initial pressure; \(P_1 = 600.0torr = 0.789474atm\)Initial temperature; \(T_1 = 77.0^oC = 350.15K\)Final Volume; \(V_2 = 400.0ml = 0.4L\)Final pressure; \(P_2 = 760torr = 1.0atm\)Final temperature; \(T_2 =\ ?\)Combined gas lawCombined gas law brings together both Boyle's Law, Charles's Law, and Gay-Lussac's Law. It states that "the ratio of the product of volume and pressure and the absolute temperature of a gas is equal to a constant.
It is expressed as;
\(\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\)
We substitute our given values into the expression above to determine the new temperature.
\(\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\\\\P_1V_1T_2 = P_2V_2T_1\\\\T_2 = \frac{P_2V_2T_1}{P_1V_1}\\T_2 = \frac{1.0atm\ *\ 0.4L\ *\ 350.15K}{0.789474atm\ *\ 0.5L} \\\\T_2 = \frac{140.06LatmK}{0.394737Latm}\\ \\T_2 = 354.82K\\\\T_2 = 81.67^oC\)
Therefore, as the volume is decreased and the pressure is increased to the given value, the temperature of the gas increases to 81.67°C.
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How does the charge on the ions affects the lattice energy/enthalpy change value?
Answers
The charge on the ions has a significant effect on the lattice energy/enthalpy change value.
The lattice energy is the energy released when gaseous ions come together to form an ionic solid. The enthalpy change is the heat released or absorbed during a chemical reaction. The lattice energy is proportional to the charge of the ions and inversely proportional to the distance between the ions. When ions have a higher charge, there is a stronger attraction between them, leading to a higher lattice energy. Similarly, when the distance between ions is smaller, the lattice energy is higher. This is because the ions are closer to each other, and their attractive forces are stronger. On the other hand, when ions have a lower charge or the distance between them is larger, the lattice energy is lower. This is because the attractive forces between the ions are weaker due to the smaller charge or larger distance between them.
In summary, the charge on the ions has a significant effect on the lattice energy/enthalpy change value. Higher charges lead to higher lattice energy, while lower charges lead to lower lattice energy. The distance between the ions also affects the lattice energy, with smaller distances leading to higher lattice energy.
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explain how natural selecting leads to predominance and suppresion of traits in a population
This is actually science and when i say science, i mean as in like genetic mutation, DNA, etc, i just cant find the right subject.
Answers
Natural selection is a process in which organisms that are better adapted to their environment tend to survive and produce more offspring. These offspring are likely to inherit the traits that made their parents successful, which can lead to predominance and suppression of certain traits in a population.
Natural selection can lead to the predominance of certain traits in a population because organisms that possess advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring. For example, if a population of birds lives in an environment where seeds are scarce, birds with larger beaks that are better suited for cracking open tough seeds are more likely to survive and reproduce. Over time, this can lead to a predominance of birds with large beaks in the population.Conversely, natural selection can also lead to the suppression of certain traits in a population. This occurs when organisms with certain traits are less likely to survive and reproduce, which means that those traits are less likely to be passed on to future generations. For example, if a population of moths lives in an environment where predators can easily spot them because of their light coloration, moths with darker coloration that are better camouflaged are more likely to survive and reproduce. Over time, this can lead to a suppression of the light coloration trait in the population.Natural selection is driven by genetic variation, which is created by mutation, gene flow, and sexual reproduction. Mutations are random changes in DNA that can create new traits, while gene flow and sexual reproduction can introduce new traits into a population. The traits that are favored by natural selection are those that increase an organism's chances of survival and reproduction in a given environment, which can lead to their predominance in a population.For such more question on camouflaged
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Identify the part of the slow carbon cycle in which the total amount of carbon is most likely decreasing the most explain why this decrease the occurs
Answers
The slow carbon cycle involves processes that take place over geological timescales, including the transfer of carbon between the atmosphere, oceans, rocks, and soils. The total amount of carbon in each of these reservoirs can change over time due to various factors, such as natural and human-induced processes.
One part of the slow carbon cycle in which the total amount of carbon is most likely decreasing the most is the process of sedimentation of organic matter in ocean sediments. This occurs because the organic matter that sinks to the seafloor is buried and undergoes diagenesis, a process by which it is transformed into more stable forms of carbon, such as kerogen or graphite. The decrease in carbon occurs because the rate of sedimentation of organic matter is faster than the rate of carbon input from sources such as volcanoes, weathering of rocks, and human activities.
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Make an appropriate Arrhenius plot of the following data for the binding of an inhibitor to the enzyme carbonic anhydrase and calculate the activation energy for the reaction. TIK 289.0 293.5 298.1 kl (106 L mol-1 s-1) 1.04 1.34 1.53 TIK 303.2 308.0 313.5 kl(106 L mol-1 s-1) 1.89 2.29 2.84
Answers
To make an appropriate Arrhenius plot of the data, we need to plot the natural logarithm of the rate constant (ln k) against the reciprocal of the absolute temperature (1/T). The slope of the resulting line represents the activation energy of the reaction. For the binding of an inhibitor to the enzyme carbonic anhydrase, the plot would look like a straight line with a negative slope.
Using the given data, we can calculate ln k for each temperature and plot it against 1/T. From the resulting line, the activation energy can be calculated as the negative slope multiplied by the gas constant (R) divided by the Avogadro constant (Na).
Assuming R = 8.314 J mol-1 K-1 and Na = 6.022 x 1023 mol-1, the activation energy for this reaction can be calculated as follows:
Slope = (-2050 - (-2148)) / ((1/289) - (1/313.5)) = 1161 K
Activation energy = slope x (R/Na) = 1161 x (8.314/6.022x1023) = 1.60 x 10-19 J
Therefore, the activation energy for the binding of an inhibitor to the enzyme carbonic anhydrase is 1.60 x 10-19 J, based on the given data. This analysis can be useful in understanding the thermodynamics and kinetics of enzyme-inhibitor interactions.
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determine the standard gibbs energy for 35cl35cl where ṽ= 560 cm-1, b = 0.244 cm–1, and the ground electronic state is nondegenerate.
Answers
We must make use of the provided spectroscopic data as well as the thermodynamic correlations to ascertain the standard Gibbs energy for 35Cl35Cl:
G° equals -RT ln(K).
where G° stands for the normalised Gibbs energy change, R represents the gas constant, T represents the temperature in Kelvin, and K represents the equilibrium constant.
The vibrational frequency and the rotational constant are correlated with the equilibrium constant by:
K = exp(-bhc/kT) * (h/kT)
where the speed of light is c, the Planck constant is h, the Boltzmann constant is k, and the vibrational and rotational constants are and b, respectively.
Inputting the values provided yields:
K = (1.38 x 10-23 J/K * 298 K) / (6.626 x 10-34 J s * 560 cm-1) (-0.244 cm-1 * 6.626 x 10–34 J s / (1.38 x 10–23 J/K * 298 K))
K = 3.56 x 10^-4
If we substitute this value for G° in the equation, we obtain:
The equation is G° = -RT ln(K) = -(8.314 J/K/mol) * (298 K) * ln(3.56 x 10-4)
G° equals 35.6 kJ/mol.
As a result, 35.6 kJ/mol is the typical Gibbs energy for 35Cl35Cl.
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To determine the standard Gibbs energy for 35Cl35Cl, we can use the relationship:
ΔG° = -RT ln(K)
where K is the equilibrium constant and R is the gas constant.
The equilibrium constant K can be expressed in terms of the vibrational frequency and the rotational constant as:
K = hṽ/kB e^(-bhc/kBT)
where h is Planck's constant, kB is the Boltzmann constant, c is the speed of light, and T is the temperature.
Substituting the given values, we get:
K = (6.626 x 10^-34 J s)(560 cm^-1)(100 cm/m)/(1.38 x 10^-23 J/K) e^[-(0.244 cm^-1)(6.626 x 10^-34 J s)(100 cm/m)/(1.38 x 10^-23 J/K)(298 K)]
K = 4.09 x 10^-20
Substituting K into the equation for ΔG°, and using the value of R = 8.314 J/K mol, we get:
ΔG° = -RT ln(K) = -(8.314 J/K mol)(298 K) ln(4.09 x 10^-20)
ΔG° = -30.6 kJ/mol
Therefore, the standard Gibbs energy for 35Cl35Cl is -30.6 kJ/mol.
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Can someone help mee ?
Answers
with regard to the carbon skeleton shown below, how many carbon atoms are primary? secondary? tertiary? quaternary? be sure to answer all parts.
Answers
The term carbon skeleton is defined as the pattern in which the carbon atoms are bonded together in a molecule, disregarding atoms of other elements and differences between single and multiple bonds. In the given carbon skeleton there are 5 primary carbon, 5 secondary carbon and 3 tertiary carbon.
According to the carbon skeleton given in the question given above, there are,
5 primary carbon
5 secondary carbon
3 tertiary carbon
0 quaternary carbon
Primary carbon are defined as those which is attached to one other carbon atom only, secondary carbon are those which is attached to two other carbon atoms, tertiary carbon are those which is attached to three other carbon atoms, and quaternary carbon are those which is attached to four other carbon atoms.
The diagram of the carbon skeleton is attached in the image given below.
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Can somebody plz help answer all these true and false questions CORRECT!!
WILL MARK BRAINLIEST :D
Answers
Answer:
1-T
2-F
3-T
4-T
Explanation:
big brain
What is Delta.Hrxn for the overall reaction?
kJ
Answers
Answer:
The enthalpy change of the reaction comes out to be -890 Kj Explanation:To calculate the enthalpy of the reaction divided in multiple steps, we use Hess's law. This law states that the heat absorbed or evolved in a given chemical equation remains same whether the process occurs in one step or several steps.To apply this law, the enthalpy of the chemical equation is treated as ordinary algebraic expression and it can be added or subtracted to form the required equation. This means that the enthalpy change of the overall reaction is equal to the sum of the enthalpy changes that occur during intermediate reactions.
Explanation:
Answer:
A few definitions:
1. A river delta is a land-form created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or another river that cannot carry away the supplied sediment.
2. The fourth letter of the Greek alphabet ( Δ, δ ), transliterated as ‘d’.
3. a code word representing the letter D, used in radio communication, mostly in the military
4. variation of a variable or function.
5. a finite increment.
This is not a plagiarized passage this is my knowledge and research.
_Ag₂NO₂ Cu → Cu(NO3)2 +_ Ag
what kind of replacement is it single or double or synthesis/combination combustion or decomposition
Answers
This is Single displacement reaction as copper is displacing silver from silver nitrate
What is Single-Displacement reaction?A single replacement reaction, also known as a single displacement reaction, occurs when one element in a molecule is swapped out for another. Starting ingredients are always pure elements combined with an aqueous compound, such as pure hydrogen gas or zinc metal. A new aqueous compound and a different pure element will be produced as products when a replacement reaction occurs.
Cu(s) + 2AgNo3(aq) → 2Ag(s) + Cu(NO3)2(aq)
What is a Displacement Reaction?When an atom or group of atoms in a molecule are replaced by another atom, this is referred to as a displacement reaction. For instance, copper metal is displaced when iron is added to a solution of copper sulphate.
A + B-C → A-C + B
The above equation exists when A is more reactive than B.
A and B have to be either:
Halogens where C indicates a cation.
Different metals wherein C indicates an anion.
Different kinds of single replacement reactions
The reactivity series identifies three primary categories of single replacement reactions:
Metal replacement refers to the displacement of one metal by another. When a metal displaces hydrogen gas, Hydrogen replacement is a process known as were an hydrogen replacement occurs. When a halogen engages in displacement, it is called halogen replacement.To know more about Single-Displacement reaction refer to :
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Select the correct location on the image.
In pea plants, white seed coat is a recessive trait and gray seed coat is a dominant trait. Which offspring have a white seed coat?
Answers
Answer:
f2 4 answer. GG its right.
Explanation:
Answer:
hey the answer is in box f2 gg
Explanation:
When handling ready to eat food, the best alternative to using latex-free gloves is:
Answers
The best alternative to using latex-free gloves when handling ready-to-eat food is using nitrile gloves.
Nitrile gloves are a suitable alternative to latex gloves for handling ready-to-eat food. Nitrile is a synthetic material that offers similar benefits to latex in terms of flexibility and dexterity. Nitrile gloves are also resistant to punctures and chemicals, providing a protective barrier against potential contamination. Moreover, nitrile gloves are considered hypoallergenic and do not cause the same allergic reactions as latex gloves, making them safe for individuals with latex allergies or sensitivities.
When handling ready-to-eat food, it is crucial to maintain hygiene and prevent cross-contamination. Wearing gloves is an important practice to minimize the risk of transmitting harmful microorganisms. By choosing nitrile gloves as an alternative to latex gloves, one ensures the safety of individuals who may be allergic to latex while maintaining the necessary level of protection when handling food. Nitrile gloves are widely available and commonly used in food handling settings, making them a suitable and reliable choice for ensuring food safety and hygiene.
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The pH of a solution is 7. Which best describes the solution?
A. The solution has more hydrogen ions than hydroxide ions.
B. The solution has fewer hydrogen ions than hand soap.
C. The solution has the same number of hydrogen ions as apple juice.
D. The solution has the same number of hydrogen ions and hydroxide ions.
Which term best describes a solution with a pH of 5? A. acidic
B. neutral
C. colorless
D. basic
Which best describes the pH scale?
a. Acids measure below 7.
b. Bases measure below 7.
c. Acids and bases measure above 7.
d. Bases and acids measure at 7.
Answers
Answer:
1=B
2=A
3=A
Explanation:
Any subsatance with a ph of less than 7 is acidic.
Bases measure over 7
Give the net ionic equation and identify the spectator ions for each reaction.
1. Zn(NO3)2(aq) + (NH4)2S(aq) ZnS(s) + 2 (NH4)2NO3(aq)
2. AgNO3(aq) + NaCl(aq) NaNO3(aq) + AgCl(s)
3. HgCl2(aq) + K2S(aq) HgS(s) + 2KCl(aq)
4. Na2SO4 (aq)+ Ba(OH)2 (aq) 2NaOH(aq) + BaSO4(s)
Answers
The net ionic equation and identification of spectator ions for each reaction are given below. Zn(NO3)2(aq) + (NH4)2S(aq) ZnS(s) + 2 (NH4)2NO3(aq)Net Ionic Equation: Zn2+(aq) + S2-(aq) → ZnS(s)Identification of Spectator Ions: NH4+(aq) and NO3-(aq).
AgNO3(aq) + NaCl(aq) NaNO3(aq) + AgCl(s)Net Ionic Equation: Ag+(aq) + Cl-(aq) → AgCl(s)Identification of Spectator Ions: Na+(aq) and NO3-(aq), HgCl2(aq) + K2S(aq) HgS(s) + 2KCl(aq)Net Ionic Equation: Hg2+(aq) + S2-(aq) → HgS(s)Identification of Spectator Ions: K+(aq) and Cl-(aq), Na2SO4(aq) + Ba(OH)2(aq) → 2NaOH(aq) + BaSO4(s)Net Ionic Equation: Na+(aq) + OH-(aq) → NaOH(aq)Identification of Spectator Ions: Ba2+(aq) and SO42-(aq)
Net ionic equations are the chemical equations that only show the species involved in the reaction that actually undergoes the change in a chemical reaction. In the reactions given above, all the spectator ions are identified. Spectator ions are the ions that are present in the reaction mixture that does not participate in the chemical reaction. They remain unchanged throughout the reaction. The overall chemical equation is balanced, while the net ionic equation shows only those species that actually participate in the reaction.For the first reaction, the net ionic equation is given as follows; Zn2+(aq) + S2-(aq) → ZnS(s). The spectator ions are NH4+(aq) and NO3-(aq).For the second reaction, the net ionic equation is Ag+(aq) + Cl-(aq) → AgCl(s). The spectator ions are Na+(aq) and NO3-(aq).For the third reaction, the net ionic equation is Hg2+(aq) + S2-(aq) → HgS(s). The spectator ions are K+(aq) and Cl-(aq).For the fourth reaction, the net ionic equation is Na+(aq) + OH-(aq) → NaOH(aq). The spectator ions are Ba2+(aq) and SO42-(aq).
The net ionic equations and spectator ions for each reaction are identified. The net ionic equations only show the species involved in the chemical reaction that undergoes the change, and spectator ions remain unchanged throughout the reaction. These spectator ions are identified for each reaction given above.
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when bromine is added to a container, the molecules of its vapor move through the container until they are uniformly distributed. how does this example also represent the movement of energy?
Answers
The high energy molecules escape from the surface of the bromine, this is due to bromine's high volitivity (which is due to its weak intermolecular forces).
What is Brownian motion ?
In chemistry, the term "Brownian Movement" refers to a particle's zigzagging motion that is thought to be random and is typically seen under an ultra-high power microscope. The term "Brownian movement" refers to the movement that exactly matches Robert Brown's explanation of the motion of pollen grains in water.
What is energy?
The energy that is contained in chemical compound bonds is referred to as chemical energy (molecules and atoms). In what is referred to as an exothermic reaction, it is released during the chemical reaction and mostly generates heat as a byproduct.
Firstly, the high energy molecules escape from the surface of the bromine, this is due to bromine's high volitivity (which is due to its weak intermolecular forces).
Then due to Brownian motion (the random motion of microscopic particles) there is a net movement of bromine molecules from the region of high concentration (the area above the liquid bromine) spreading out into an area of low concentration. (the rest of the container).
Therefore, the high energy molecules escape from the surface of the bromine, this is due to bromine's high volitivity (which is due to its weak intermolecular forces).
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4) The principle of ________ states that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the geologic past.
A) catastrophism
B) plate tectonics
C) plutonism
D) Uniformitarianism
Answers
The principle of option D. Uniformitarianism states that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the
Option D. Uniformitarianism is the principle stating that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the geologic past. It is based on the idea that the present is the key to the past. In other words, the same natural laws that operate in the universe today have been operating since the beginning of time.
James Hutton was the first to propose this principle in the late 18th century. He suggested that the Earth was shaped by slow-acting geological forces such as erosion, sedimentation, and uplift over long periods of time. He believed that the same processes were still happening today and that they had operated in the past.
This principle is an important concept in geology because it allows scientists to interpret the Earth's history based on the processes that they observe today. By understanding how these processes work and how they have changed over time, scientists can reconstruct the history of the Earth and its environments.
Uniformitarianism has been tested and proven through many observations and experiments. For example, the study of sedimentary rocks has shown that they were formed in the past through the same processes that are observed today, such as deposition of sediment by water, wind, or ice.
Similarly, the study of volcanoes has shown that they are formed by the same processes as today, such as the movement of magma from deep within the Earth.
In conclusion, Uniformitarianism is the principle that allows us to interpret the Earth's history by observing the processes that shape it today. It is a fundamental concept in geology and has been tested and proven through many observations and experiments.
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What do you mean by the circular path that an electron revolves round the nuculeus in an atom?
Answers
Answer:
The circular path and electron revolves around the nucleus in an atom is called shell or orbit.
Answer:
It is called an energy level or subshell
Explanation:
\(.\)
which of the following amino acids has its isoelectric point at the highest ph? a. Lysine
b. Threonine
c. Histidine
d. Arginine
e. Alanine
Answers
In conclusion, d. Arginine is the amino acid with the highest isoelectric point, at 10.76.
The amino acid that has its isoelectric point at the highest pH is d. Arginine. An amino acid is an organic compound that contains both an amino (-NH2) and a carboxyl (-COOH) functional group. It also has a side chain (R group) that is unique to each of the 20 different amino acids.
The isoelectric point (pI) is the pH at which the amino acid has a net zero charge. This is the pH at which it does not migrate in an electric field. An amino acid is positively charged when the pH is less than the pI and negatively charged when the pH is greater than the pI.
Arginine is an amino acid that has a positively charged guanidine group in its side chain. It is an essential amino acid, which means that the body cannot synthesize it and must obtain it from food. The isoelectric point of arginine is 10.76, which is higher than that of the other amino acids listed:
Lysine has a pI of 9.74
Histidine has a pI of 7.59
Threonine has a pI of 5.6
Alanine has a pI of 6.11
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Abel was running a fever of 107 degrees Fahrenheit, what was her temperature in degrees
Celsius?
Answers
Explanation:
we know the formula to convert farenheit to Celsius
=(F-32)(5/9)
=(107-32)(5/9)
(5/9)=375/9= 41.6 degrees Celsius
When any salt is dissolved in water, the ionic bonds between the atoms must be broken in order for the salt to dissolve. The energy
stored up in these bonds then must be
A) convert into light
B) stored in the water
C) released to the environment
D) converted into mechanical energy
Answers
Answer:
C released to the environment
Explanation:
I just did it in class
plz help me solve this question is it A,B,C or D
Answers
Answer:
c
Explanation:
to reduce pressure on the reactants
Which 1.0 liter sample of HCl (aq) contains the least number of moles of solute particles?
Your answer:
0.010 M
0.10 M
1.0 M
10.0 M
Answers
Least no of moles means it should be 1mol
Volume in Litre=1LHence
Molarity=Moles/VolumeMolarity=1/1=1MOne problem with chemical reactions is that it is impossible to lower activation energy.
A) True
B) False
Answers
Answer:
false
Explanation:
How is a mixture different from a pure substance?
A. Pure substances are made up of mixtures.
B. A pure substance is heterogeneous.
C. A mixture is made of one substance.
D. Mixtures can be separated by physical means.
Answers
Answer: ITS D
Explanation: i was just looking answers for my test and this is my sisters account
3.25 x 10+8 nm2 divide by 6.5 x 10+6 nm =
Answers
Answer: 50 nm
Explanation: Two steps:
1. Divide 3.25/6.5 = 0.5
2. Divide 10^8/10^6 = 10^2
nm^2/nm = nm
Combine: 0.5x10^2 nm
or 50 nm