New Worksheet - Chemistry - Entropy

Problem 1
Write out the balanced equation that shows that magnesium reacts with water to form magnesium hydroxide and hydrogen.
Answer: ________________________________________________________


Problem 2
If you have 30.0 grams of carbon in one pile and 50.0 grams of carbon in the other, which sample of carbon has more entropy?
Answer: ________________


Problem 3
If a reaction has a ΔH of – 150.0 kJ / mole and is spontaneous for all temperatures less than 195 K, what is its ΔS?
Answer: ________________


Problem 4
What is the sign of ΔS for the following reaction: H2O (l) + CaO (s) → Ca(OH)2 (s)
Answer: ________________


Problem 5
If the ΔH of a certain reaction is – 1023 kJ/mole and the ΔS is – 324 Joules / (mole) (K), what is the temperature range for which this reaction is spontaneous?
Answer: ________________



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