Which of the following equations is balanced? A. 2H2 + O2 → 4H2O
B. 4Na + O2 → 2Na2O
C. Fe2O3 + H2 → 2Fe + 3H2O
D. CH4 + O2 → CO2 + H2O

Identify a specific example for each type of technology

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