How many grams of potassium chloride are in 6.90 moles? 10.8g 74.6g 257g 514g

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro