Which halogen would react with sodium chloride solution to produce chlorine

Which best describes how johannes kepler developed his laws of planetary motion

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same