Suppose 30 grams of NaCl are placed in 900 mL of water. What is the molarity of this solution?

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?