10.A 85 gram rock is dropped into 500 ml of water. The temperature of the water changes from 23 to 28 degrees. If the starting temperature of the rock was 230 Celsius, what is the heat capacity of the rock?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.

Identify the decay mode particle emitted from the th 234