What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 24 ∘C , V1= 1350 L ) to a volume of 2700 L ? Assume no change in pressure or the amount of gas in the balloon. Express your answer with the appropriate units.

What overall charge must all compounds have

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

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