PLEASE HELP 3.52 grams of potassium iodate are reacted, giving off heat over a water bath containing 450. grams of water. The water bath undergoes a temperature change from 19.9 C to 43.4 C. What is the molar mass (kJ/mol) associated with the formation of potassium iodate?

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

Which of the following are correct values for the ideal gas laws constant r

What are the constituent metals of stainless steel?