Which of the substances in the table above would rise in temperature the fastest if equal masses of all were subjected to the same heat input?

A. copper
B. ethanol
C. gold
D. water

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

What type of reaction fuels the processes seen here?

Which terms are used to identify pure substances