A sample of a compound containing Co is analyzed to show the presence of 68.11% Co by mass. It is found there are six Co atoms per molecule of the compound. What is the molar mass of the compound?

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

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.