What is the change in enthalpy when 3.400 moles of aluminium react with excess ammonium nitrate according to the equation?

How have the greenhouse gasses increased from the year 2000 to 2018

Define a is a tiny pavket of energy

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.