Chemistry, 19.09.2021 08:00 sophie5988
What information does this image give about the reaction taking place?
A. It is an endothermic reaction because the system is giving heat and light to the surroundings.
B. It is an exothermic reaction because the surroundings are giving heat and light to the system.
C. It is an exothermic reaction because the system is giving heat and light to the surroundings.
D. It is an endothermic reaction because the surroundings are giving heat and light to the system.
Answers: 1
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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.
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What information does this image give about the reaction taking place?
A. It is an endothermic rea...
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