What is the gram formula mass of CuSO4.5H20? A)
178 g
B)
160.g
C)
1868
D)
250.g

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

How have the greenhouse gasses increased from the year 2000 to 2018

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.