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Problem: For each of these equations, determine the change in the number of moles of gas, Δngas. (a) (NH4)2CO3 (s) → 2NH3 (g) + CO2 (g) + H2O (g) (b) H2 (g) + Cl2 (g) → 2HCl (g) (c) 2H2 (g) + O2 (g) → 2 H2O(l) (d) 2Na (s) + Cl2 (g) → 2NaCl (s)

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For each of these equations, determine the change in the number of moles of gas, Δngas

(a) (NH4)2CO3 (s) → 2NH3 (g) + CO2 (g) + H2O (g) 

(b) H2 (g) + Cl2 (g) → 2HCl (g) 

(c) 2H2 (g) + O2 (g) → 2 H2O(l) 

(d) 2Na (s) + Cl2 (g) → 2NaCl (s)

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Our tutors have indicated that to solve this problem you will need to apply the Gas Stoichiometry concept. If you need more Gas Stoichiometry practice, you can also practice Gas Stoichiometry practice problems.

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Based on our data, we think this problem is relevant for Professor McVey's class at TXSTATE.