1 mole of hcl(g) has a greater entropy than 1 mole of hbr(g). true or false

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04-04-2018
Chemistry

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1 mole of hcl(g) has a greater entropy than 1 mole of hbr(g). true or false

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ChemistryHelper2024 ChemistryHelper2024 · Answer 1 · 2018-04-13T13:47:06+02:00

ChemistryHelper2024 ChemistryHelper2024

13-04-2018

False. Due to:
Entropy increases with molecular size (mass of compound)
HBr has greater molecular size (molar mass) than HCl
The value of standard entropy of HCl(g) is 187 joules/ kelvin
The value of standard entropy of HBr(g) is 199 joules / kelvin

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