What type od chemical reaction is the example below? 2 H2O2
2 H2O + O2
a
synthesis
combination
decomposition
single replacement
С

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

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