Which units are used to measure both velocity and speed? select 3 correct choices.
mis
dit
km/h
mph
iph

Why is permeable soil best for plants that need a lot of drainage?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

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