Which of these reactions is a combustion reaction? 1. burning wood 2.decomposition of water 3. production of food by plants with the of the sun's energy 4.rotting of fruits and vegetables

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Melting 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.

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?