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Question
A barleycorn is an English unit of length equal to 1/3 of an inch. What is the height of the Sears Tower (527m) expressed in barleycorn? (2.54 cm = 1 in)
A) 4.02 x105barleycorn
B) 6.92 x103barleycorn
C) 6.22 x104barleycorn
D) 4.46 x104barleycorn
E) 6.92 x10-1barleycorn
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:
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 _____.
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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