Chemistry, 17.03.2020 00:55 rennytheraccoon
1. A 1.0-gram sample of powdered Zn reacts faster with HCl than a single 1.0-gram piece of Zn because
the surface atoms in powdered Zn have
(1) higher average kinetic energy
(2) lower average kinetic energy
(3) more contact with the H+ ions in the acid
(4) less contact with the H+ ions in the acid
Answers: 3
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Which of the following electromagnetic waves can create ions?
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What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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Which element is the least metallic between cadmium, silver, zinc, or iron?
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Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2
Answers: 3
1. A 1.0-gram sample of powdered Zn reacts faster with HCl than a single 1.0-gram piece of Zn becaus...
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