How much calories of energy would be required to completely boil a beaker of 200. g of water that starts at 0.℃? (1 calorie = 4.18 J)

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Amixture with the same composition throughout is!