Phản ứng nhị hợp N02 2N02 ---> N2O4
biết ∆H (kcal/mol) : 8,091. 2,309
S. 57,2. 72,2
tính biến thiên năng lượng tự do của phản ứng ở 0°C và 100°C

Which formula can be used to calculate the molar mass of hydrogen peroxide

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments