Multiple Choice
In the following reaction of sodium metal with water to produce sodium hydroxide and hydrogen gas, what coefficients should be placed in the blanks from left to right, when balancing?
__Na + __H2O __NaOH + __H2
A) 1; 3; 2; 1
B) 1; 1; 1; 2
C) 1; 1; 1; 1
D) 2; 2; 2; 1
E) 1; 2; 1; 2
Correct Answer:

Verified
Correct Answer:
Verified
Q32: During a chemical reaction, bonds in the
Q33: The cells in our body extract energy
Q34: Ammonia reacts with oxygen to produce nitric
Q35: A cup of milk contains 300 mg
Q36: Sucralose (C<sub>12</sub>H<sub>19</sub>Cl<sub>3</sub>O<sub>8</sub>), an artificial sweetener, is the
Q38: Balance and calculate the energy change associated
Q39: What mass of sulfur dioxide is found
Q40: The fermentation of fruit juice to produce
Q41: Combustion reactions tend to _ (release/absorb) heat
Q42: The following unbalanced chemical equation represents the