Unit of measurement
ex: ft, in, etc.
It would be endothermic because the log is in the system.
Because of the crystal structure of the ice, ice has lower density than liquid water. So the volume of the ice of same mass is greater than water. When melting, the volume will decrease.
Answer: Sulfur dioxide and nitrogen oxides dissolve very easily in water and can be carried very far by the wind. These pollutants cause acid rain.
<span>Cr3+ O2- ; the formula is Cr2O3 ( criss cross)</span>