In the reaction 2k + 2h2o→2koh + h2 , which compound has an element ratio of 2: 1 ?

koh

h2

h2o

k

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several