BRAINLIEST TO WHOEVER ANSWERS FIRST Calculate the standard entropy value of the chemical reaction CaCl2(s) --> CaCl2(aq)

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

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3