UC Davis-CHEM 2B chem 2b-What effect does increasing the volume of the system

Question
What effect does increasing the volume of the system have on the equilibrium condition in each of the following reactions?

Part A

C(s)+H2O(g)←−→CO(g)+H2(g)

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Part B

Ca(OH)2(s)+CO2(g)←−→CaCO3(s)+H2O(g)

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no shift

Part C

4NH3(g)+5O2(g)←−→4NO(g)+6H2O(g)

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no shift