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How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
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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+?
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Which of the following factors does not affect soil formation? a. precipitation b. time c. erosion d. none of the above
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Which of the following elements is most likely to have an oxidation state of +2? a. oxygen (0) b. sodium (na) c. chlorine (ci) d. strontium (si)
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The dipole moment (μ) of hbr (a polar covalent molecule) is 0.838d (debye), and its percent ionic ch...
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