Which branch of science involves the study of of matter and energy?

What type of forest would you find south of spruce

A 50 g piece of aluminum is heated to 800c and then dropped into cold water, where the metal's temperature drops to 300c. how many calories does it lose to water? (specific heat capacity of aluminum is. 21 cal/g0c)

The current federal agency responsible for safety-related issues of nuclear energy is the: A - Department of Energy B - Atomic Energy Commission C - Nuclear Regulatory Commission D - Environmental Protection Agency

During radioactive decay, atomic nuclei of unstable isotopes a. give off nuclear radiation. b. are broken down by radioactive bacteria. c. form chemical bonds. d. are unchanged.

A solution consists of 44.5 g of silver nitrate, AgNO₃, and 106.5 g water. Calculate the weight percent, the molality, and the mole fraction of AgNO₃in the solution.

A constant volume of gas is heated from 25.0ºC to 150.ºC. If the initial pressure was 760. torr, what is the final pressure?

The concentration of 1130 + in a solution is found to be 1.75 X 10-8 M 250C. Find [OH].

W Which are forms of kinetic energy? A light, sound, chemical B electrical, chemical, sound C sound, potential, thermal D light, thermal, sound

What product would you obtain if you evaporate the water from the naoh layer prior to acidifying the layer?

Which of the following is NOT a true state- ment about gases?