If the theoretical yield of a reaction is 22.7 g and the actual yield is 21.0 g , what is the percent yield?

If you want to create an electrical current, which situation would produce a solution capable of this

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

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?