New Worksheet - Chemistry - Entropy (II)

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


Problem 2
If you have 25.0 grams of carbon in one pile and 55.0 grams of carbon in the other, which sample of carbon has more entropy?
Answer: ________________


Problem 3
If a reaction has a ΔH of – 135.0 kJ / mole and is spontaneous for all temperatures less than 177 K, what is its ΔS?
Answer: ________________


Problem 4
If a reaction has a ΔH of – 118.0 kJ / mole and is spontaneous for all temperatures less than 183 K, what is its ΔS?
Answer: ________________


Problem 5
If the ΔH of a certain reaction is – 1031 kJ/mole and the ΔS is – 195 Joules / (mole) (K), what is the temperature range for which this reaction is spontaneous?
Answer: ________________



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