Chemistry, 14.04.2021 18:50 cuzhernamesari
System gives off 196 kj of heat to the surroundings and the surrounding do 4.20x 10^2 kj of work on the system. What is the change in internal energy of the system.
Answers: 3
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Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.
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Which of these is a density dependent factor? a. epidemic b. earthquake c. drought d. hurricane
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Which of the following reactions is endothermic? h2(g) + ½ o2(g) h2o(g), h = -57.82 kcal ½n2(g) + o2(g) + 8.1 kcal no2(g) ½ n2(g) + 3/2 h2(g) nh3(g) + 11.0 kcal c(diamond) + o2(g) co2, h = -94.50 kcal
Answers: 2
System gives off 196 kj of heat to the surroundings and the surrounding do 4.20x 10^2 kj of work on...
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