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

What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

One does not belong why? ice, gold ,wood ,diamond and table salt