Calculate the amount of heat (q) released when 25.0 g of water at 25.0°C cools to 0.0°C.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

What natural processes produce large quantities of co2

Chemistry worksheet - i am not sure what they are asking for exactly?