2C(s) + H2(g) + 227.4 kJ <--> C2H2(g). If 682.2 kJ are absorbed, for how many moles of C2H2(g) are produced?

A student observed that the temperature of water increased when a salt was dissolved in it. The student should conclude that dissolving the salt caused

Which change represents an increase in entropy?

N2(g) + 3H2(g) <--> 2NH3(g) + 92 kJ. A larger yield of NH3 is obtained when

The delta H of a chemical reaction refers to the change in

H2(g) + I2(g) + heat <--> 2HI(g). What is the result of an increase in temperature

Which equilibrium system at constant temperature shifts to the right when pressure is increased

A(g) + B(g) <--> C(g) + D(g). At constant temperature and pressure, an increase in the concentration of A(g) causes

Which phrase best describes the following reaction...2H2O(l) + heat <--> 2H2(g) + O2(g)

In most aqueous reactions as temperature increases, the effectiveness of collisions between reacting particles

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