Write a balanced equation for the reaction between hydrochloric acid and magnesium. Note the physical states of both the reactants and the products in your equation.

How many neutrons does a atom of cobalt have?

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

How many moles of gas are present if p=11 atm, v=12l, t=185k?