The production of water proceeds according to the following equation.

2h2(g) + o2(g) → 2h2o(g)

which describes a way to speed up the collisions between hydrogen and oxygen molecules to produce more water?

a. use a less-intense source of heat on the reactants.
b. maintain the same temperature of the reactants.
c. place the reactants in a smaller container.
d. reduce the concentration of the reactants.

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals

The equilibrium constant kc for the reaction 2 nocl(g) → 2 no(g) + cl2(g) is 0.453 at a certain temperature. a mixture of nocl, no, and cl2 with concentrations 1.30, 1.20, and 0.600 m, respectively, was introduced into a container at this temperature. which of the following is true? 1. no apparent reaction takes place. 2. [cl2] = 0.30 m at equilibrium. 3. nocl(g) is produced until equilibrium is reached. 4. [nocl] = [no] = [cl2] at equilibrium. 5. cl2(g) is produced until equilibrium is