Energy
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Determine the rate for the reaction AND explain what the rate means: I2 + H2 à 2HI
The concentration of I2 is 0.450 M (fourth-order), the concentration of H2 is 0.342 M (first-order), the rate constant = 0.295 / M4×sec.
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Calculate ΔG AND determine if a reaction will be spontaneous if ∆H is +257 kJ/mol and at 35°C the ∆S is
+0.975 kJ/mol·K.
What is -43.3 kJ/mol and yes, the reaction is spontaneous?
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Calculate the energy (in Kcal) involved when 31.7 grams of water goes from gas at 250.0 degrees C to liquid at 11.0 degrees C.
What is -22.2 Kcal?
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Given: C5H12(g) à 5 C(s) + 6 H2(g) + 546.5 kJ
Calculate the amount of energy involved if 519 grams of H2 produced.
What is -23400 kj/mol?
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Calculate ∆H for the following reaction by showing how it follows Hess’ Law with the appropriate reactions.
CCl4 (l) + 2Ca (s) à C (s) + 2CaCl2 (s)
What is -1458.8 kj/mol?
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