The density of air at 20°C and 1.00 atm is 1.205 g/L. If this air were compressed at the same temperature to equal the pressure at 40.0 m below sea level, what would be its
density? Assume the barometric pressure is constant at 1.00 atm. The density of seawater
is 1.025 g/cm3
.

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

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 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form