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Question
Nickel metal can be prepared by the reduction of nickel oxide:
NiO(s) + CO(g) 
CO2(g) + Ni(s)
At 936 K, Kp = 4.54 103 and at 1125 K, Kp = 1.58 103. Which statement is true?
A) The activation energy decreases with increasing temperature.
B) The activation energy increases with increasing temperature.
C) The reaction is endothermic.
D) The reaction is exothermic.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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B) covalent and basic
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B) silicon and oxygen form better σ bonds than carbon and oxygen, so Si-O single bonds are stronger than C-O single bonds.
C) carbon and oxygen form better π bonds than silicon and oxygen, so C=O double bonds are stronger than Si=O double bonds.
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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:
The bright colors of anodized titanium are due toA) electrodeposition of organic dyes on the titanium surface.B) the formation of a titanium alloy with chromium and copper.C) iridescence involving the semitransparent outer layer of TiO2.D) trapping of organic dye molecules in a spongy TiO2 matrix.
Q:
Chromium can be electroplated from an aqueous solution containing sulfuric acid and chromic acid, H2CrO4. What current is required to deposit chromium at a rate of 1.25 g/min?
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Q:
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Q:
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Q:
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Q:
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