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.

Aluminum–lithium (al-li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. a commercial aircraft skin material having a density of 2.47 g/cm3 is desired. compute the concentration of li (in wt%) that is required.

Select the correct answer from each drop-down menu. daniel and sanya are scientists. daniel is studying whether the increasing frequency of tropical storms is affecting coastal erosion. sanya is investigating whether the discharge from industrial plants has any impact on the ph concentration of freshwater swamps in the surrounding area. which fields of science are daniel’s and sanya’s studies most closely related to? daniel’s field of study is related to science, and sanya’s field of study is related to .

Element before carbon on the periodic table