Chemistry, 02.02.2021 18:50 keldrickking
Iron can be extracted from its ores by heating it with carbon. Some students found that 6.4g of Fe2O3 reacted with 0.72g of C to produce 4.48g of Fe and 2.64g of CO2. Use the molar masses to deduce the balanced equation.
Answers: 3
Chemistry, 22.06.2019 04:00, eborkins
Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral
Answers: 3
Chemistry, 22.06.2019 06:30, yolo123321
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
Answers: 2
Iron can be extracted from its ores by heating it with carbon. Some students found that 6.4g of Fe2O...