The big bang really happened. but within milliseconds, the universe expanded or inflated so rapidly that the universe is flat and uniform

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution