Calculate the amount of energy released when 17.95 g of a substance is frozen. The molar mass of the substance is 104.73 g/mol. The molar enthalpy of fusion for the unknown substance is 2.33 kJ/mol.​

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)