Which statement most likely describes the energy transformation that occurs when a log burns? A. Mechanical energy changes to chemical energy B. Chemical energy changes to heat and light energy. 0 C. Heat and light energy changes to chemical energy. D. Chemical energy changes to mechanical energy.

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2