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Question
Which of the following equations represents the roasting of lead(II) sulfide ore?
A) PbS(s) + 4H2O(l) → Pb(OH)3-(aq) + H2S(aq) + H3O+(aq)
B) PbS(s) + H2(g) → Pb(s) + H2S(g)
C) 2PbS(s) + C(s) → 2Pb(s) + CS2(l)
D) PbS(s) + 2H2O(l) → Pb(OH)2(s) + H2S(aq)
E) 2PbS(s) + 3O2(g) → 2PbO(s) + 2SO2(g)
Answer
This answer is hidden. It contains 1 characters.
Related questions
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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 _____.
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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