Hydrazine can be used as a rocket fuel. A 6.4 g sample of hydrazine is found to contain 5.6 g of nitrogen and 0.80 g of hydrogen. The molar mass of hydrazine is
the same as that of oxygen gas. Determine the empirical formula and the
molecular formula of this compound. (show work; use labels)

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.