Which of the following correctly gives the best coefficients for the reaction below? _N2H4(9) + _H2O2(g) → _N2(g) +
_H2O(g)

What is the molar mass of potassium nitrate, kno3

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide