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Question
Rank the following covalent bonds in order of decreasing polarity: C-H, N-H, O-H, F-H.A) F-H, O-H, N-H, C-H
B) O-H, F-H, N-H, C-H
C) N-H, F-H, O-H, C-H
D) C-H, N-H, O-H, F-H
E) C-H, F-H, O-H, N-H
Answer
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Q:
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Q:
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Q:
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Q:
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Q:
If a reaction is first-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 2, the reaction rate will _____.
A) increase by a factor of 2.
B) remain constant.
C) decrease by a factor of .
D) decrease by a factor of .
E) increase by a factor of 4.
Q:
For a certain first-order reaction with the general form aA → products, the rate is 0.32 M·s-1 when the concentration of the reactant is 0.29M. What is the rate constant for this reaction?A) 0.26 s-1B) 1.1 s-1C) 0.32 s-1D) 3.1 s-1E) 3.8 s-1