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kotegsom [21]
3 years ago
7

MENTION THE NAME OF GAS FORMED WHEN CHALK PIECES ARE

Chemistry
1 answer:
svetlana [45]3 years ago
7 0

Answer:

carbon dioxide gas

a. CaCO3 + 2HCl -----> CaCl2 + CO2 + H2O

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The molar mass of the imaginary compound Z(AX₃)₂ is the sum of the molar mass of Z, A and X.

<h3>How do we calculate molar mass?</h3>

Molar mass of any compound will be calculated by adding the mass of each atoms present in that compound.

Given compound is Z(AX₃)₂, molar mass of the given compound will be calculated as:

Molar mass of Z(AX₃)₂ = Molar mass of Z + molar mass of 2(A) + molar mass of 6(X)

Hence molar mass of Z(AX₃)₂ is the sum of the masses of all atoms.

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1 year ago
Identify and describe atom, element, compound and molecule of important in food science​
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6 0
2 years ago
How many electrons does Sb have in the n = 3 energy level?
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The highest-numbered shell is the third shell, which has 2 electrons in the 3s subshell and 3 electrons in the 3p subshell.

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A molecule of ATP contains adenine, ribose, and three phosphate groups. The bond between the last two phosphates is easily broke
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A. More energy would be required to break the bond, so the net energy produced would be less.

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Since the bond between the second and third phosphate groups are more stable more energy would be required to break them. The net energy produced would be less as some of it is getting consumed to break the stronger bond between the second and third phosphate groups.

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