What emits infrared radiation?
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humans
non-living objec...
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Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge
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Calculate the mass of 0.750 mol of the following substance. na3po4.
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Which compound should undergo substitution of the bromine by phenolate anion? draw the structure of the organic product?
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What is the oxidation half-reaction for this unbalanced redox equation? cr2o72– + fe2+ → cr3+ + fe3+ cr3+ → cr2o72– cr2o72– → cr3+ fe3+ → fe2+ fe2+ → fe3+?
Answers: 2
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