Which of the following is a gas-evolution reaction?A. 2 H2(g) + O2(g) → 2 H2O(g)B. None of the above are gas-evolution reactions.C. 2 C2H6(l) + 7 O2(g) → 4 CO2(g) + 6 H2O(g)D. NH4Cl(aq) + KOH(aq) → KCl(aq) + NH3(g) + H2O(l)E. MgSO4(aq) + Ba(NO3)2(aq) → Mg(NO3)2(aq) + BaSO4(s)

In the given question we have to identify the gas evolution Reaction. the reaction in which the gas…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Which of the following is a gas-evolution reaction?

A. 2 H₂(g) + O₂(g) → 2 H₂O(g)

B. None of the above are gas-evolution reactions.

C. 2 C₂H₆(l) + 7 O₂(g) → 4 CO₂(g) + 6 H₂O(g)

D. NH₄Cl(aq) + KOH(aq) → KCl(aq) + NH₃(g) + H₂O(l)

E. MgSO₄(aq) + Ba(NO₃)₂(aq) → Mg(NO₃)₂(aq) + BaSO₄(s)

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Which reaction would have an increase in entropy?

	a.	2 NH₄F _(aq) + BaS _(aq)→ (NH₄)₂S _(aq) + BaF_{2 (s)}
	b.	N_2 (g) + 3 H₂_(g) → 2 NH_3 (g)
	c.	2 H₂O_2 (l) → 2 H₂O _(l) + O_{2 (g)}
	d.	2 C₂H₆ _(g) + 7 O_2 (g) → 4 CO_2 (g) + 6 H₂O _(l)

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