What is the balanced equation of limestone reacting with hydrochloric acid ?

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)

What is the period of a wave traveling 5 m/s if its wavelength is 20 m/s

Abenefit of using good human relations is that you'll a. have an easy time getting a better job. b. adjust to new situations better. c. find new and better friends. d. try to outdo your friends.