Chemistry, 02.07.2019 01:00 pattydixon6
An unbalanced chemical equation is shown: h2o2 → 2h2o + o2 which of the following statements explains why the equation is not balanced? a two h2o2 molecules should decompose to form the given products. b four h2o2 molecules should decompose to form the given products. c two h2o2 molecules should undergo a synthesis reaction to form the given products. d four h2o2 molecules should undergo a synthesis reaction to form the given products.
Answers: 1
Chemistry, 20.06.2019 18:04
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Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
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Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
An unbalanced chemical equation is shown: h2o2 → 2h2o + o2 which of the following statements explai...
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