Which of the following equations is balanced? 2al + 3o2 → al2o3 n2 + 2h2 → 2nh3 ch4 + 3o2 → co2 + 2h2o 2fe2o3 + 3c → 4fe + 3co2

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

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

Identify a strong intermolecular force of attraction between an alcohol