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Question
Which of the following may be classified as an acid-base reaction?
1) AgNO3(aq) + HCl(aq) → AgCl(s) + HNO3(aq)
2) 2Mg(s) + O2(g) → 2MgO(s)
3) Zn(s) + 2Ag+(aq) → 2Ag(s) + Zn2+(aq)
A) 1 only
B) 2 only
C) 3 only
D) 1, 2, and 3
E) none
Answer
This answer is hidden. It contains 1 characters.
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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:
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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