Answer:
2 NaCl 2 + F2 = 2NaF + 2Cl2
Why does enzyme-coagulated curd have a different texture than acid-coagulated curd?
Enzyme-coagulated curd and acid-coagulated curd have different textures due to the differences in the coagulation process and resulting protein structures.
Enzyme-coagulated curd has a different texture than acid-coagulated curd due to the different coagulation processes involved.
1. Enzyme-coagulated curd is formed by using enzymes, such as rennet, which specifically target and break down casein proteins in milk. This leads to the formation of a more firm and elastic curd, as the proteins bind together tightly, trapping water and fat molecules.
2. Acid-coagulated curd is formed by adding an acid, like vinegar or lemon juice, to milk. This lowers the pH and causes the proteins to denature and clump together, forming a curd. The acid-coagulated curd is generally softer and more fragile than enzyme-coagulated curd, as the protein bonds are less structured.
The different coagulation methods result in distinct textures, with enzyme-coagulated curds being firmer and more elastic, while acid-coagulated curds are softer and more crumbly.
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Hypothesize in your words how the heat is flowing through radiation.
true or false: radiation can be detected because of its green glow, intense heat, crackling sound and ammonia smell.
False.
Radiation itself does not typically have a green glow, intense heat, crackling sound, or ammonia smell. These descriptions do not accurately represent the properties of radiation.
The emission of energy in the form of particles or electromagnetic waves is referred to as radiation. Our senses cannot immediately notice it. Radiation is measured and detected using specialized apparatus and detectors.
Alpha particles, beta particles, gamma rays, and X-rays are a few examples of different forms of radiation that have unique characteristics and may be identified with the right tools. For instance, ionizing radiation is typically detected using Geiger-Muller counters or scintillation detectors, whereas radiation exposure is measured using dosimeters.
For precise radiation risk identification and protection, it's crucial to rely on the right detection tools and follow safety procedures.
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A sample contains some potassium sulfate K2SO4 and weighs 2.000 g, after reaction with barium it yielded a precipitate of BaSO4 weighing 2.500 g. Calculate the percent K2SO4 in the original sample.
The percent \(K_2SO_4\) in the original sample is the calculated percentage obtained by dividing the mass of \(K_2SO_4\) (calculated from the mass of \(BaSO_4\)) by the mass of the original sample (2.000 g) and multiplying by 100%.
To calculate the percent \(K_2SO_4\) in the original sample, we need to determine the mass of \(K_2SO_4\) in the 2.500 g precipitate of \(BaSO_4\).
The molar mass of \(BaSO_4\) is the sum of the atomic masses of barium (Ba) and sulfur (S), multiplied by 4 (since there are 4 oxygen atoms in the formula):
Molar mass of \(BaSO_4\) = (atomic mass of Ba) + (atomic mass of S) + (4 * atomic mass of O)
= 137.33 g/mol + 32.07 g/mol + (4 * 16.00 g/mol)
= 233.39 g/mol
The mass of \(K_2SO_4\), we can use the stoichiometric ratio between BaSO4 and \(K_2SO_4\). According to the balanced chemical equation, for every 1 mole of \(BaSO_4\) formed, 1 mole of \(K_2SO_4\) is consumed.
The moles of \(BaSO_4\) can be calculated using its molar mass:
Moles of BaSO4 = mass of BaSO4 / molar mass of BaSO4
= 2.500 g / 233.39 g/mol
Since the stoichiometric ratio between BaSO4 and \(K_2SO_4\) is 1:1, the moles of \(K_2SO_4\) in the original sample are equal to the moles of \(BaSO_4\).
The mass of \(K_2SO_4\) can be calculated using the molar mass of \(K_2SO_4\) and the moles of \(K_2SO_4\):
Mass of \(K_2SO_4\) = moles of \(K_2SO_4\) * molar mass of \(K_2SO_4\)
= moles of BaSO4 * molar mass of \(K_2SO_4\)
= (2.500 g / 233.39 g/mol) * (174.26 g/mol)
The percent \(K_2SO_4\) in the original sample:
Percent \(K_2SO_4\) = (mass of \(K_2SO_4\) / mass of the original sample) * 100%
= (mass of \(K_2SO_4\) / 2.000 g) * 100%
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A gas’s pressure is 765 mm Hg at 23°C. At what temperature in celsius will the pressure be 560 mm Hg?
Answer:
216 K
Explanation:
T2=T1P2/P1
Change C to K
The sun’s mass is about 30 million times greater than the moon. Why does the gravitational pull between Earth and the moon affect Earth’s tides more than the gravitational pull between Earth and the sun? a The moon is denser than the sun. b The moon is closer to Earth than the sun. c The moon has phases, but the sun does not. d The moon orbits Earth, but the sun does not.
Answer:
The moon is closer to earth
Explanation:
Around each new moon and full moon, the sun, Earth, and moon arrange themselves more or less along a line in space. Then the pull on the tides increases, because the gravity of the sun reinforces the moon's gravity. ... Thus, at new moon or full moon, the tide's range is at its maximum.
only one of the following substances is a liquid at room temperature; the others are gases. which substance is most likely to be a liquid at room temperature?
Gallium
Explanation:
Gallium is one of four metal that can be liquid at room temperature
The substance that is most likely to be a liquid at room temperature is the one that has a higher boiling point compared to the others.
This is because boiling point is the temperature at which a substance changes its state from liquid to gas. At room temperature, substances with lower boiling points tend to exist in their gaseous state, while those with higher boiling points tend to exist in their liquid state.
Therefore, we need to compare the boiling points of the substances given to determine which one is most likely to be a liquid at room temperature. The substances are not specified in the question, so we cannot provide a specific answer. However, we can make a general statement that the substance with the highest boiling point among the options given is the most likely to be a liquid at room temperature.
In summary, the substance that is most likely to be a liquid at room temperature is the one with the highest boiling point among the options given.
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what is the law of conservation of mass for the chemical equation 60g+40g=100g
Explanation:
The law of conservation of mass states that in a closed system, matter can neither be created nor destroyed. This means that the total mass of substances before and after a chemical reaction must remain the same. Therefore, for your given equation of 60g + 40g = 100g, we can see that the law of conservation of mass has been upheld as the total mass before (60g + 40g) and after (100g) the reaction is the same.
A rectangular poster is /4 yard wide and / yard tall. What is its area? Solve this problem any way you choose
Answer:
Area of rectangular poster = \(\frac{3}{16}\) yard²
Explanation:
P.S - The exact question is -
Given - A rectangular poster is \(\frac{1}{4}\) yard wide and \(\frac{3}{4}\) yard tall.
To find - What is its area ?
Proof -
We know that ,
The area of rectangle = Length × Breadth
Here,
Given that,
Length of rectangle = \(\frac{3}{4}\) yard
Breadth of rectangle = \(\frac{1}{4}\) yard
∴ we get
Area of rectangular poster = \(\frac{3}{4}\) × \(\frac{1}{4}\) yard²
= \(\frac{3}{16}\) yard²
⇒Area of rectangular poster = \(\frac{3}{16}\) yard²
What will cause an object to move?
Describe the nucleus of the
atom.
Answer:
The nucleus of atom is composed of two subatomic particles that each have charges.
Protons, which are positively charged particles.Neutrons, which are neutrally charged particles.Both reside in the nucleus of an atom. The amount of protons and neutrons (Electrons can to) is what helps us identify each atom apart. Electrons are NOT in the nucleus of atom but orbit it in outer layers called orbitals.
A 80.0 mL sample of nitrous acid of unknown concentration is titrated with 36.2 mL of 1.45 M barium hydroxide. Determine the concentration of the acid solution.
Answer: 0.66 M
Explanation:
\(M_{A}V_{A}=M_{B}V_{B}\\(80.0)M_{A}=(36.2)(1.45)\\M_{A}=\frac{(36.2)(1.45)}{80.0} \approx \boxed{0.66 \text{ M}}\)
What happens when a liquid becomes a gas?
A. Nothing happens.
B. It changes volume but not shape.
C. It changes shape and volume.
D. It changes shape but not volume.
SUBND
Answer:
Answere-d.
Explanation:
it changes shape but not volume.
the___is the middle layer of earths atmosphere
Answer:
mesosphere
Explanation:
Given that a particular photon has a frequency of 2.2 x 10'7 Hz, calculate the photon's energy. Submit your answer in
scientific notation, rounded to two significant figures.
The energy of the photon is
X10
Answer:
E = 15×10⁻²⁹ J
Explanation:
Given data:
Frequency of photon = 2.2× 10⁷ Hz
Energy of photon = ?
Solution:
Formula:
E = h.f
h = 6.63×10⁻³⁴ Js
by putting values,
E = 6.63×10⁻³⁴ Js × 2.2× 10⁷ s⁻¹
E = 14.586 ×10⁻²⁹ J
E = 15×10⁻²⁹ J
The energy of photon is 15×10⁻²⁹ J.
ILL BRAINLIST U IF U GET THIS RIGHT! N GIVE U 5 STAR
One of the isotops of neon, neon-22, has an atomic number of 10 and a mass number of 22. in order, how many protonsz electrons anf neutrons are present in its atom?
a) 12, 10, 22
b) 10, 10, 12
c) 12, 12, 10
d) 10, 12, 22
The answer should be d) 10, 12, 22
You can use mass percent composition as a conversion factor between grams of a constituent element and grams of the compound. Write the conversion factor (including units) inherent in each mass percent composition. (a) Water is 11.19% hydrogen by mass. (b) Fructose, also known as fruit sugar, is
You can use mass percent composition as a conversion factor between grams of a constituent element and grams of the compound. The conversion factor in each mass percent composition are (a) 11.19 g H‚ 100 g H₂O (b) 53.29 g O‚100 g fructose (c) 84.12 g C‚100 g octane (d) 52.14 g C‚100 g ethanol
What is the Mass Percent ?The percent by mass of each element present in a compound is called Mass Percent.
(a) Water is 11.19% hydrogen by mass.
Here it is given mass of hydrogen is 11.19 %. That means 11.19 % of solute should be added in 100 g H₂O.
(b) Fructose, also known as fruit sugar, is 53.29% oxygen by mass.
Here it is given mass of oxygen is 53.29 %. That means in 53.29% of solute should be added in 100 g fructose.
(c) Octane, a component of gasoline, is 84.12% carbon by mass.
Here it is given mass of carbon is 84.12 %. That means in 84.29% of solute should be added in 100 g Octane.
(d) Ethanol, the alcohol in alcoholic beverages, is 52.14% carbon by mass.
Here it is given mass of carbon is 52.14 %. That means in 52.14% of solute should be added in 100 g Ethanol.
Thus from the above conclusion we can say that You can use mass percent composition as a conversion factor between grams of a constituent element and grams of the compound. The conversion factor in each mass percent composition are (a) 11.19 g H‚100 g H2O (b) 53.29 g O‚100 g fructose (c) 84.12 g C‚100 g octane (d) 52.14 g C‚100 g ethanol
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Disclaimer: The question was given incomplete on the portal. Here is the complete question.
Question: You can use mass percent composition as a conversion factor between grams of a constituent element and grams of the compound. Write the conversion factor (including units) inherent in each mass percent composition.
(a) Water is 11.19% hydrogen by mass.
(b) Fructose, also known as fruit sugar, is 53.29% oxygen by mass.
(c) Octane, a component of gasoline, is 84.12% carbon by mass.
(d) Ethanol, the alcohol in alcoholic beverages, is 52.14% carbon by mass.
Por qué el atomismo de balton se le considera un teoría científica mientras que a leucipio y Demócrito no?
Answer:
Because Democritus or Liucipius cannot demonstrate or proof their ideas as they did not have any equipment or any research to prove the existence of atoms.
Explanation:
John Dalton, Democritus and Leucipius are some of the greatest scientist and scholars of the past.
Democritus originally proposed or gave the idea of the of the composition of the matter of indivisible and tiny particles. John Dalton is credited for the beginning of the modern atomic theory.
Democritus believed that a matter is made up of atoms that can move about empty spaces. They are small, indestructible, solid, indivisible and of different shapes and sizes. Democritus proposed his idea at that time as there were no scientific advancement or instruments to prove his ideas about atoms.
Later on when science and scientific processes were advanced, Dalton was able to prove and proceed on the atomic model theory.
Democritus cannot prove his ideas as there were no instruments or advance scientific processes and so people felt his ideas as illogical. His proposals were based on his ideas.
Which substance cannot be separated or broken down into simpler substances by chemical means?
table salt
gold wire
candle wax
water vapor
Answer: Gold Wire
Explanation:
Out of all of these options only gold wire is an element, elements are pure and cannot be broken down by any chemical means
hope it helped, good luck :)
Circulacion de electrones en un material conductor en determinado tiempo.
Answer:
falso
Explanation:
tiempo no determinado El circulation de elctrones
nomenclature of this compound
Answer:
Nomenclature is the process of naming chemical compounds with different names so that they can be easily identified as separate chemicals. Inorganic compounds are compounds that do not deal with the formation of carbohydrates, or simply all other compounds that do not fit into the description of an organic compound.
Explanation:
answer these questions fast
Answer:
1)0.5
3)1.7g
4)32g
5)1.12L
If the empirical formula of a compound is CH2O what is a possible molecular formula for
the compound?
A C2H4O2
B CH20
C C5H705
D CH40
explain where the heart of the space station is and what can be found their
Answer:
The heart of The ISS (International Space Station) should be in the middle.
Function Of The Space StationThe ISS is a research facility covering many disciplines such as understanding the effects of micro-gravity on living things (especially humans), pharmaceutical engineering using processes only possible in micro-g, manufacturing in micro-g, Earth resources and some astronomical work. It is also hosting new spacecraft hardware such as a Bigelow inflatable module, hosting new propulsion technologies and guidance & navigation tech. Much of what is learned there will be used to inform the design of future manned Mars missions.
Research things, people, etc. in microgravity. The effect on human physiology in microgravity, the efficacy drugs in microgravity. Physics, Chemistry, Botany research, testing new technology in microgravity. Tonnes of research.
It is a zero-g laboratory. If an experiment requires being in zero-g, you have three options: a very tall vacuum chamber called a drop tower where your experiment will be launched upward and allowed to fall into a pit full of Styrofoam, an aircraft that fly's parabolic arcs, or launched into orbit. If your experiment requires human interaction and needs more than a few minutes of zero-g, then it absolutely must be done on the ISS, there are no other choices.
Have a wonderful day! :-)
The "heart" of a space station typically refers to the core module or the central module that serves as the primary living and working area for astronauts.
Who are astronauts?Astronauts are highly trained individuals who travel and work in space. Astronauts are selected from a pool of candidates with backgrounds in various fields such as science, engineering, medicine, and the military.
Heart is the central hub from which other modules are connected and serves as the main control center for the station's systems and operations. The specific location and design of the core module may vary depending on the space station's configuration.
Within the heart of the space station, you will find various essential components and facilities that support the astronauts' daily activities and ensure the station's proper functioning.
The heart of the space station serves as the central hub for crew activities, system control, scientific research, and daily operations. It is the core module where astronauts live, work, and conduct experiments in the unique environment of space.
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While vacationing in europe, you feel sick and are told that you have a temperature of 40. 3°C. What is your temperature in °F?
Temperature of 40.3°C would be 104.74°F when converted from Celsius to Fahrenheit using the conversion formula.
temperature is measured as 40.3°C while vacationing in Europe, you can convert it to Fahrenheit using the formula:
°F = (°C × 9/5) + 32
Substituting the given value:
°F = (40.3 × 9/5) + 32
°F = 72.54 + 32
°F ≈ 104.74
Therefore, your temperature would be 104.74°F.
It is important to note that a temperature of 40.3°C corresponds to a significant fever, regardless of the scale used. It is advisable to seek medical attention if you are feeling sick with such a high temperature.
The Celsius (°C) and Fahrenheit (°F) scales are two commonly used temperature scales.
The Celsius scale is based on the freezing and boiling points of water, where 0°C represents the freezing point and 100°C represents the boiling point.
The Fahrenheit scale, commonly used in the United States, also has the freezing and boiling points of water but at different values, where 32°F represents the freezing point and 212°F represents the boiling point.
The conversion formula allows for easy conversion between the two scales.
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Please answer this. Look at the picture for the questions, Thanks!
Is 2AgNO3 + BaCI2 -> 2AgCl + Ba(NO3)2 Balanced or unbalanced. If unbalanced which element cause the unbalance
Answer:
This is balanced
Explanation:
Both sides contain 2 Ag 2 NO3 1 Ba and 2 Cl.
Sublimation is snow or ice changing to a gas without melting. What must happen to the molecules for this to happen?
Answer:Sublimation is the conversion between the solid and the gaseous phases of matter, with no intermediate liquid stage. For those of us interested in the water cycle, sublimation is most often used to describe the process of snow and ice changing into water vapor in the air without first melting into water.
Explanation:
2. Which oxidation number change indicates the most number of electrons gained by a species in a redox reaction?
+6 to +3
+3 to +7
0 to +4
+1 to 0
Answer: +6 to +3
Explanation:
If something gains an electron, the charge will decrease by -1 because electrons have a negative charge. If it loses an electron, its charge will increase by +1.
+6 to +3 ➜ Gained 3
+3 to +7 ➜ Lost 4
0 to +4 ➜ Lost 4
+1 to 0 ➜ Gained 1
Using this information, the species with the charge change of +6 to +3 gained the most electrons in a redox reaction.
(9) Which of the following statement atX)ut Polymer Crystallinity is incorrect?
(a) In addition to being entirely amorphous, polymers may also exhibit varying degrees
of crystallinity.
(b) The crystallinity Of a semicrystalline rx)lyrner is dependent on its density.
(c) Crystallinity is reduced for polymers that are chemically simple and that have regular
and symmetrical chain structures.
(10) How do the densities of crystalline and amorphous polymers of the same material that have identical
molecular weights compare?
(a) Ihnsity of crystalline m.lymer < Density of amorphous polymer
(b) Density of crystalline IX)lymer > Density of amorphous B)lymer
(c) Density of crystalline B)lymer = Density of amorphous polymer
(9) The following statement about Polymer Crystallinity is incorrect : c) Crystallinity is reduced for polymers that are chemically simple and that have regular and symmetrical chain structures ; 10 ) b) The density of crystalline polymer > Density of amorphous polymer.
9) Polymers have two types of molecular structures: amorphous and crystalline. Amorphous polymers lack an ordered molecular structure and, therefore, a distinct melting point, whereas crystalline polymers have ordered molecular structures and can melt at a specific temperature. In addition to being entirely amorphous, polymers may also exhibit varying degrees of crystallinity.
A polymer with greater crystallinity, for example, has more organized regions in which the chains of molecules are tightly packed together. The degree of crystallinity of a semicrystalline polymer is determined by its density. In the polymer, the crystalline regions are more dense than the amorphous regions, resulting in a correlation between crystallinity and density.
(10) The density of crystalline polymer > Density of amorphous polymer. This is because in the polymer, the crystalline regions are more dense than the amorphous regions. Because the crystalline polymer has a more ordered molecular structure and a greater degree of crystallinity than the amorphous polymer, the density of the crystalline polymer is higher.
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