Chemistry, 24.10.2019 11:43 mangowammy
As you move across a row from left to right in the period table, atomic numbers of the elements
a. decrease.
b. increase.
c. double.
d. stay the same.
Answers: 1
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12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
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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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How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
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As you move across a row from left to right in the period table, atomic numbers of the elements
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