what are two ways in which we can increase the favorability of the products without adding or removing products or reactants?
Answers
The two ways in which we can increase the favorability of products without adding or removing products or reactants :
1. Increase the temperature of an endothermic reaction.
2. Decrease the temperature of an exothermic reaction.
3. Boost a reactant's concentration in an aqueous solution.
A reaction that is endothermic absorbs energy. Energy addition favors the reaction that forms the product.
A reaction that is exothermic releases energy. Removing the energy favors the reaction that forms the product.
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Related Questions
7. When selenium combines with a metal, it forms an ionic compound. This
compound's name ends in
Answers
Answer:
ide
Explanation:
the metal keeps its name in an ionic compound, the suffix of the nonmetal is changed to "ide" (ie sodium chloride, NaCl)
What are the most common types of buffer overflow attacks?
Answers
The most frequent form of buffer overflow attack, called a stack overflow, involves a buffer overflow in the top of the stack. This kind of attack targets information on the heap, an open memory pool.
Why do cybercriminals employ buffer overflow?When a hacker takes advantage of the code mistake to carry out a malicious action and breach the affected system, it is called a buffer overflow attack. The hacker changes the app's execution path and overwrites some of its memory.
What kind of attacks use buffer overflows?When more data is loaded into a fixed-length memory than the reader can hold, it overflows or overruns. which, by overflowing into neighboring memory space, corrupts or overwrites the data stored in that region, which must go someplace.
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Which of the following is NOT a way to satisfy the octet rule?
a
transferring inner electrons to fill the outer electron
shell
b transferring valence electrons in an ionic bond
c having a full outer electron shell
d sharing valence electrons in a covalent bond
Answers
Transferring inner electrons to fill the outer electron shell is not a way to satisfy the octet rule is NOT a way to satisfy the octet rule. Option A is correct
The octet rule states that atoms tend to gain, lose, or share electrons in order to acquire a full outer electron shell with 8 electrons. In some cases, such as with elements in period 3 and beyond, it is possible for an atom to have more than 8 electrons in its outer shell. However, transferring inner electrons to fill the outer electron shell is not a valid way to satisfy the octet rule, as it would require significant energy input and is not a stable configuration for an atom.
Option A is correct
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Select the correct answer. Which statement about cellulose is true? A. It’s a synthetic polymer. B. It’s a raw material used to make plastic. C. It’s produced using oil and gas. D. It’s used to make paper products.
Answers
Answer:
It's used to make paper.
Explanation:
Plato answer.
WILL GIVE BRAINLIEST!!
When salt is added to the solution, it dissolves into its component ions. How did this seem to affect the compound formed on the egg shell?
Answers
Answer:
because the salt will melt the egg shell because of whats in the salt
i tried i didnt really know the answer LOL
Explanation:
A day on Earth is about 24 hours.
What does 24 hours represent?
O A. the time it takes the Moon to orbit Earth once
B. the time it takes Earth to spin once on its axis
O c. the time it takes the Sun to travel once around Earth
D. the time it takes Earth to travel once around the Sun
Answers
The Earth and sun are part of the solar system, with the sun at its centre. An Earth day is 24 hours because the Earth spins on its axis once every 24 hours. At any one time half of the Earth's sphere is in sunlight (day) while the other half is in darkness (night).
A reaction produced 11.92 grams of O₂, when it was calculated that it would produce 15.9 grams of O₂. What was the percent yield?
Answers
Answer
The percent yield = 74.97%
Explanation
A reaction produced 11.92 grams of O₂ implies the actual yield = 11.92 grams of O₂
When it was calculated that it would produce 15.9 grams of O₂ implies the theoretical yield = 15.9 grams of O₂
Therefore, the percent yield is
\(\begin{gathered} Percent\text{ }yield=\frac{Actual\text{ }yield}{Theoretical\text{ }yield}\times100\% \\ \\ Percent\text{ }yield=\frac{11.92\text{ }grams}{15.9\text{ }grams}\times100\% \\ \\ Percent\text{ }yield=0.7497\times100\% \\ \\ Percent\text{ }yield=74.97\% \end{gathered}\)What is the exact number of protons in the nucleus of the element group VI A and period 3? 32,8,16,34
Answers
The element group VI A, also known as the chalcogen group, consists of the elements oxygen, sulfur, selenium, tellurium, and polonium. These elements are characterized by having six valence electrons, which is why they are placed in group VI A of the periodic table.
The period number refers to the row of elements on the periodic table. Elements in period 3 include sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, and argon.
It is not possible to determine the number of protons in the nucleus of an element based on its group and period alone. The number of protons in the nucleus of an element is equal to its atomic number, which is a unique property of each element.
Oxygen, which is the first element in group VI A, has an atomic number of 8, which means it has 8 protons in its nucleus. Sulfur, which is the second element in group VI A, has an atomic number of 16, which means it has 16 protons in its nucleus. Selenium, which is the third element in group VI A, has an atomic number of 34, which means it has 34 protons in its nucleus. Tellurium, which is the fourth element in group VI A, has an atomic number of 52, which means it has 52 protons in its nucleus. Polonium, which is the fifth element in group VI A, has an atomic number of 84, which means it has 84 protons in its nucleus.
Elements in period 3 with atomic numbers 11, 12, 13, 14, 15, 16, 17, and 18 are sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, and argon, respectively. These elements have 11, 12, 13, 14, 15, 16, 17, and 18 protons in their nuclei, respectively.
If we decrease the temperature to 200 K at constant pressure, what would the new volume be?
A. 6.67 L
B. 10 L
C. 13.3 L
D. 5 L
Answers
If we decrease the temperature to 200 K at constant pressure, 13.3 L would the new volume .
What is temperature?
Temperature is a unit used to represent how hot or cold something is. It can be stated using the Celsius or Fahrenheit scales, among others. Temperature shows which way heat energy will naturally flow, i.e., from a hotter (body with a higher temperature) to a colder (body with a lower temperature) (one at a lower temperature).
What is pressure?
As force applied per unit area, pressure is defined. P=FA, where F is the force operating perpendicular to the surface area A, gives it mathematical expression. The pascal (Pa), which equates to a newton per square metre (N/m 2), is the accepted unit of pressure.
Therefore, If we decrease the temperature to 200 K at constant pressure, 13.3 L would the new volume .
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A 500g sample of Ca-37 decays for 910ms. How much of the original sample remains?
Answers
Answer:
15.6 g
Explanation:
Given that;
Mass of original sample = No = 500g
mass of sample remaining at 910 ms = N = ?
time taken to decay= 910 ms
Half life of Ca-37 = 181 milliseconds
From;
N/No = (1/2)^t/t1/2
N/500 = (1/2)^910/181
N/500 = (1/2)^5
N/500 = 1/32
32 N = 500
N = 500/32
N = 15.6 g
Choose all the answers that apply.
Which of the following best describes the movement of the objects in this ticker tape diagram? (Check photo added)
Object B has more velocity than object C.
Object C has more velocity than object B.
Object A is accelerating.
Object B is decelerating.
Object C has a constant velocity.
Answers
Answer:
2, 4, and 5
Explanation:
have a nice day:)
Answer:
2, 4, and 5
Explanation:
Hope this Helps!!!
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PLEASE TYPED 150 WORD MIN Describe a radioactive isotope that exists in nature. Provide details on what the product is the half-life, what the daughter products are and the type of decay process that occurs. Discuss whether the daughter product or products are stable or unstable. Be sure to cite your source.
Answers
One example of a naturally occurring radioactive isotope is uranium-238 (U-238).
Uranium-238 (U-238) is a radioactive isotope that exists in nature. Its half-life is approximately 4.5 billion years. U-238 undergoes a decay process called alpha decay, where it emits an alpha particle consisting of two protons and two neutrons. The daughter product of U-238 decay is thorium-234 (Th-234), which is also radioactive with a half-life of about 24 days. Th-234 further decays into protactinium-234 (Pa-234) through beta decay.
The decay chain continues until it reaches a stable isotope, lead-206 (Pb-206). The daughter products of U-238 decay are unstable and undergo further radioactive decay until a stable isotope is reached.
Source: "Uranium-238." Los Alamos National Laboratory, https://periodic.lanl.gov/92.shtml
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help please i need it later deadline is later 11:59pm
Answers
Answer:
In the attached image.
Explanation:
DNA to MRNA Thymine get's changed to Uracil. The bases match as:
A- U
U- A
G- C
C- G
Your amino acid is coded from the mRNA
Which of the following molecules is correctly paired with its macromolecule class? (2 points)
Enzyme-nucleic acid
Cholesterol-protein
Glycogen-protein
RNA-nucleic acid
Answers
PLS HELP!! ASAP!! 10 POINTS!!
From Dalton's atomic theory, a few parts were disproven over the course of years of experiments. Which part was modified by the discovery of subatomic particles?
That matter is made of atoms.
If the same elements are in a two different compounds, their ratio will always be the smallest whole number ratio for that compound.
That atoms cannot be divided.
That all atoms of an element are exactly the same
Answers
The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. ... According to Dalton, the atoms of same element are similar in all respects. However, atoms of some elements vary in their masses and densities. These atoms of different masses are called isotopes.
what is a mixture of elements and compounds
Answers
The substance in the image above would be classified as a mixture of elements (option E).
What is a compound and mixture?A compound is a substance formed by chemical bonding of two or more elements in definite proportions by weight.
On the other hand, a mixture is made when two or more substances are combined, but they are not combined chemically.
According to this question, an image is shown with two different substances or elements as distinguished by coloration (white and purple). These elements are combined but not chemically bonded, hence, is a mixture.
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1.00 L aqueous solution containe nod 5.80 g of sodium hydroxide, NaOH. What was the pH of the solution at 25°C? (Hint: strong acid and strong base titration, use limiting reactant)
Answers
The pH of the solution is 13.16.
What is the pH of the base?We know that the pH has to do with the concertation of the hydrogen ions that we have in the solution. We have to first obtain the concentration of the hydroxide ions and then use that to obtain the pH of the solution accordingly.
Number of moles of NaOH = 5.80 g/40 g/mol = 0.145 moles
Concentration of the solution = 0.145 moles/1 L = 0.145 M
pOH = - log( 0.145 M)
= 0.84
pH = 14 - 0.84
= 13.16
We can get the pH of the solution as 13.16.
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Why is this process significant? Mitosis is important in the production of alleles. Mitosis is important in the production of alleles. Mitosis is important for the production of diploid cells. Mitosis is important for the production of diploid cells. Meiosis is important in the production of haploid gametes. Meiosis is important in the production of haploid gametes. Meiosis is important in the production of clones
Answers
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination. HOPE it helps
a meta-analysis of 23 published reports relating homicide to alcohol use revealed that:
Answers
A meta-analysis of 23 published reports that relate homicide to alcohol use revealed that the strong relationship between the two factors has been documented repeatedly.
When researchers combine multiple studies into one, they are performing a meta-analysis.
The findings are then used to determine the general trends that emerge from the studies.
The research has shown that violent behavior, particularly homicide, is more common in areas with higher levels of alcohol consumption.
In summary, a meta-analysis of 23 published reports relating homicide to alcohol use revealed that there is a strong relationship between the two factors.
This relationship has been documented repeatedly.
Areas with higher levels of alcohol consumption are more likely to have violent behavior, particularly homicide, according to the research.
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A student lives in an apartment complex next to a park and train tracks. The student observes that they can hear the train coming sooner and from farther away when they are in front of their apartment and can only barely hear the train when they are in the park despite both being the same distance from the railroad tracks.
The student developed the model above. Using the model, identify two potential wave phenomena that occur and are the reason behind why the student can only hear the train in front of the apartment complex.
A.
The train can be heard more easily in front of the apartment complex because of reflection and interference. As the sound comes from the train, the sound waves reflect off of the complex and interfere with each other increasing the amplitude of the wave to make it easier to hear.
B.
The train can not be heard as easily in the park because of reflection and diffraction. The sound reflects off of the trees in the park and diffract between the trees, this causes the waves to bend too much to be heard.
C.
The train can be heard more easily in front of the apartment complex because of diffraction and refraction. The sound waves diffract between the other buildings aiming them towards the apartment complex and then the sound refracts through the apartment complex which makes it more difficult to hear in the park.
D.
The train can not be heard as easily in the park because of interference and reflection. The other buildings in front of the park cause interference of the sound waves from the train and the trees in the park cause reflection making it too hard to hear the train.
Answers
Answer:
The answer is A
Explanation:
What is a property of 1.0M HCI but not a property of 1.0M CH3COOH?
A. HCI ionizes completely.
B.HCI has a pH less than 7.0.
C.HCI produces H3O* in a solution.
D. HCI establishes an equilibrium in a solution.
Answers
HCI ionizes completely. This is a property of 1.0M HCI but not a property of 1.0M CH\(_3\)COOH.
Ionisation (or ionisation) being the process during which an atom or molecule gains or loses electrons, frequently in conjunction via other chemical changes, to acquire a charge that is either positive or negative. Ions are the electrically charged atoms or molecules that arise.
Ionisation can happen when an electron is lost as a result of collisions between subatomic particles, atoms, molecules, and ions, as well as electromagnetic radiation. HCI ionizes completely. This is a property of 1.0M HCI but not a property of 1.0M CH\(_3\)COOH.
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4. the known standard enthalpy of formation for magnesium oxide is −601.24 kj/mol. describe potential sources of error that would cause the experimental value to deviate from the known value
Answers
The experimental value for the standard enthalpy of formation of magnesium oxide can deviate from the known value due to several sources of error. One potential source of error is incomplete combustion of magnesium during the experimental procedure, leading to a lower amount of energy being released.
Another possible source of error is heat loss to the surroundings, which can reduce the measured enthalpy change. Additionally, the purity of the reactants used in the experiment can affect the accuracy of the result, as impurities can interfere with the reaction and lead to inconsistent measurements. Any errors in the calibration of the equipment used to measure the enthalpy change can also contribute to deviations from the known value. Therefore, it is important to carefully control experimental conditions and minimize sources of error in order to obtain accurate values for the enthalpy of formation.
The known standard enthalpy of formation for magnesium oxide is -601.24 kJ/mol. Potential sources of error that could cause the experimental value to deviate from the known value include:
1. Measurement errors: Inaccurate readings from instruments, such as balances or calorimeters, can lead to incorrect calculations of the enthalpy change.
2. Incomplete reaction: If the magnesium does not fully react with oxygen to form magnesium oxide, the calculated enthalpy change will be lower than the true value.
3. Heat loss: Heat may escape from the reaction system, causing an underestimation of the enthalpy change. Proper insulation and minimizing heat transfer to the surroundings can help mitigate this issue.
4. Impurities: The presence of impurities in the magnesium sample or oxygen source can affect the enthalpy change. Using high-purity materials can minimize this error.
5. Human errors: Mistakes in experimental setup, procedure, or data recording can lead to deviations in the enthalpy value. Careful attention to detail and following established protocols can reduce such errors.
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An atom has an atomic mass of 223 and an atomic number of 87. Calculate the number of neutrons.
Answers
Answer:
136 neutrons
Explanation:
To find the number of neutrons of an atom, you subtract the atomic number (number of protons) from the atomic mass.
223 - 87 = 136
the light from an oled device is produced by the: a. excitation of an electron to a higher energy level. b. absorption of a high-energy photon. c. emission of a positron associated with the relaxation of an electron. d. emission of a photon associated with the relaxation of an electron.
Answers
The light from an OLED device is produced by the emission of a photon associated with the relaxation of an electron.
Organic Light-Emitting Diodes (OLEDs) are a type of display technology used in various electronic devices such as smartphones, televisions, and laptops. OLEDs consist of a thin layer of organic material sandwiched between two electrodes. When a voltage is applied to the electrodes, electrons and holes (positively charged particles) are created and move towards each other. When the electrons and holes meet, they combine and release energy in the form of photons, which is the light that we see in the OLED device. The light produced in an OLED device is due to the relaxation of electrons to a lower energy level and the emission of a photon associated with this process. This makes OLEDs a highly efficient and versatile lighting technology as they are capable of producing high-quality, color-rich images with excellent contrast and brightness.
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how fast will benzene solidify
Answers
Answer:
Very fast
Explanation:
TEST QUESTION PLS HELP What are isotopes? Write isotopes of three different elements, showing their atomic number and mass number. (I'll give brainliest)
Answers
Answer:
Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons. The number of protons in a nucleus determines the element's atomic number on the Periodic Table
Explanation:
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Which of the following statements about chemical equilibrium is incorrect? a) Equilibrium can only occur in a closed system. b) At equilibrium, the ratio of concentrations of products and reactants is constant. . c) Forward and reverse reactions have stopped. d) Equilibrium has been reached when the concentrations of chemical species are no longer changing.
Answers
The statement that is incorrect about chemical equilibrium is that forward and reverse reactions have stopped. The correct option is c) Forward and reverse reactions have stopped.
What is chemical equilibrium?
Chemical equilibrium refers to the state of a reversible reaction where the rate of the forward reaction equals the rate of the reverse reaction, and the concentrations of the reactants and products do not change with time. In other words, chemical equilibrium refers to the point at which the concentrations of chemical species no longer change.
How do you know when equilibrium has been reached?
Equilibrium has been reached when the rate of the forward reaction equals the rate of the reverse reaction, and the concentrations of the reactants and products no longer change with time. This means that the concentrations of the reactants and products will remain constant. So, the correct option is d) Equilibrium has been reached when the concentrations of chemical species are no longer changing.
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Convert: 950 g to kg
Answers
Answer:your answer is 0.95
Explanation:
Because you put the number down if it is in the hundreds then put into a decimal that it is in the hundredths:)
Tritiated hydrogen (3H) differs from hydrogen (1H) in that
-3H has 2 more neutrons than 1H.
-3H has 2 more electrons than 1H.
-3H has the same number of neutrons as 1H.
-3H has 2 more protons than 1H.
Answers
Tritiated hydrogen (3H) differs from hydrogen (1H) in that -3H has 2 more neutrons than 1H.
Tritiated hydrogen (3H) is a radioactive isotope of hydrogen that contains two additional neutrons compared to the stable isotope of hydrogen, which is hydrogen-1 (1H). The atomic nucleus of hydrogen-1 consists of a single proton and no neutrons, while tritiated hydrogen (3H) has one proton and two neutrons in its nucleus.
The addition of two neutrons in tritiated hydrogen (3H) increases its atomic mass, making it heavier than hydrogen-1 (1H). The presence of extra neutrons also affects the stability and radioactive properties of tritiated hydrogen. The unstable nature of 3H leads to its radioactive decay over time, emitting beta particles in the process.
Due to its radioactive nature, tritiated.
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What happens for a star to enter old age?
Answers
Answer:
Because the interstellar medium is 97% hydrogen and 3% helium, with trace amounts of dust, etc., a star primarily burns hydrogen during its lifetime. A medium-size star will live in the hydrogen phase, called the main sequence phase, for about 50 million years. Once hydrogen fuel is gone, the star has entered “old age.”
Answer: for a star to start the process of become an old star it has to burn all the hydrogen in the star.
Explanation:
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