The following reaction shows sodium carbonate reacting with calcium hydroxide. Na2CO3 + Ca(OH)2 + 2NaOH + 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) (5 points)
1) 12.2 grams
2) 15.1 grams
3) 24.4 grams
4) 30.2 grams

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant