Substance Specific Heat (J/g C) Aluminum 0.92
Lead 0.12
Silver 0.23
Steel 0.50
Zinc 0.38

A calorimeter contains 142.85 grams of water at a temperature of 18.24oC. A block of steel at 72.04oC is placed in the water. After a few minutes, the water and steel reach a temperature of 30.79oC. What is the mass of the steel block?

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.

To separate a mixture of hard candies nd marbles the most efficient method would be