7. Consider the following reaction occurring in a test tube:
Cl2(g)
+
F2(g)
+
2C1F,
AH = - 56.5 kJ
(green)
(brown)
(colorless)
a) Will the test tube become darker, lighter or not change if you heat it up? Explain your answer
Darker since it will shift to the right,
b) Will the test tube become darker, lighter or not change if you add a catalyst? Explain your
answer
Not change since both sides are affected
equally.
c) Will the test tube become darker, lighter or not change if you increase the volume?
Lighter since the pressure is decreased.
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