The mass of graphite (C(s)) consumed when a Hall-Heroult cell operates for 3.00 hours with a current of 185 A is?

What is the molality of a solution that has 4 mol of kci in 0.800 kg of water

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

In the reaction between a crushed antacid tablet and vinegar what gas is emitted