You have a gas at 453mm hg with a volume of 700 ml and a temperature 25 degrees celsius what will the temperature of the gas be if you changed the pressure to 278 mmhg and a volume of 1200 ml

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

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?