A certain chemical reaction occurs and the temperature of the products are warmer than the reactants. Based on this, which is true? Select all that apply. A: The enthalpy is negative. B: this reaction is endothermic. C: The average kinetic energy of the product particles is higher than that of the reactant particles. D: The KdH is negative. E: The average speed of the product particles is faster than that of the reactant particles. F: The potential energy of the products is higher than that of the reactants.

B, C, E

Explanation:

A certain chemical reaction occurs and the temperature of the products are warmer than the reactants. Based on this, which is true? Select all that apply.

A: The enthalpy is negative.

B: this reaction is endothermic.

C: The average kinetic energy of the product particles is higher than that of the reactant particles.

D: The KdH is negative.

E: The average speed of the product particles is faster than that of the reactant particles.

F: The potential energy of the products is higher than that of the reactants.

what is the volume occupied by 40 grams of argon gas (ar) at standard conditions? what volume, in liters, is occupied by 1.5 x 1023