'Kj calculate' diaporamas de présentation

Thermochemistry

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U10 Quiz Review

U10 Quiz Review. APC MM 12-13. You have a sample of X and you will be looking at adding heat to it. What information is needed to be able to calculate the amount of heat actually added to the substance X?. Type of substance Specific heat Mass of substance Temperature change.

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Entropy

Entropy. 1 st Law of Thermodynamics. Energy is neither created nor destroyed The energy of the universe is constant Energy just changes from one form to another This law lets us know the energy of the system, but does not give us any information about the direction of the energy flow.

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Exam 2 review:

Exam 2 review:. Ag + (aq) + Cl - (aq) -------> AgCl(s) ?H = -65.5 kJ Calculate ?H for the formation of 2.5 g of AgCl MW. 143.319 g/mol (AgCl). 2.5 g/143.319 g/mol = 0.0174 mole 0.0174 mol(-65.5 kJ/mol AgCl) = -1.14 kJ Calorimetry problem: example problem:

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