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A sample of iron absorbs 67.5 J of heat, upon which the temperature increases from 21.5 C to 28.5 C. If the specific heat of iron is .450 J/g-K, what is the mass (in grams) of the sample?
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H 2 (g) + I 2 (g) = 2HI Temperature = 731 K If 1.60 mol H 2 and 4.20 mol I 2 areplaced in a 1.08 L vessel What is the equilibrium concentration of H 2 in the gaseous mixture? The equilibrium constant is K = 49.7
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