Study the balanced chemical reaction.
H2 + O2 → H2O2
(M H2 = 2.02 g/mol; M H2O2 =...
Study the balanced chemical reaction.
H2 + O2 → H2O2
(M H2 = 2.02 g/mol; M H2O2 = 34.02 g/mol)
If 100.0 g of hydrogen peroxide (H2O2) is produced, what percent of the product is hydrogen?
A) 50.0% is hydrogen.
B) 94.1% is hydrogen.
C) 5.94% is hydrogen.
D) 12.5% is hydrogen.
Answers: 2
Chemistry, 22.06.2019 04:00
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 07:00
Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant
Answers: 3
Chemistry, 22.06.2019 15:00
Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o
Answers: 1
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