Balance the equation. Select whether the type of reaction is a synthesis reaction, a decomposition reaction, a single-displacement reaction, a double-displacement reaction, or a combustion reaction with the letters S, D, SD, DD, C.

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

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.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?