MAKEUP TEST - General Chemistry 1035 Make up exam...

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General Chemistry 1035 Make up exam (Thursday) Form A Make sure you have bubbled in the correct student number. Failure to do so will result in an automatic zero for this test. 1. Consider the equation: Ca 3 (PO 4 ) 2 (s) + SiO 2 (s) + C (s) CaSiO 3 (s) + CO (g) + P 4 (s) The sum of the coefficients of the balanced chemical reaction is a) 24 b) 38 c) 35 d) 36 2. When aqueous solutions of potassium sulfate and barium chloride are mixed, a precipitate forms. Identify the precipitate. a) KCl b) KSO 4 c) K 2 SO 4 d) BaSO 4 e) None of these 3. Which of the following pairs of solutions will give only ONE precipitate when mixed? a) AgClO 3 (aq) and KNO 3 (aq) b) Pb(NO 3 ) 2 (aq) and K 2 S (aq) c) K 2 CrO 4 (aq) and NH 4 NO 3 (aq) d) Ca(OH) 2 (aq) and CuSO 4 (aq)
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4. Manganese has the oxidation number +5 in a) the polyatomic ion of charge -3: [MnF 6 ] -3 b) the ionic compound: Mn 2 O 7 c) the polyatomic ion of charge of -2: [MnO 4 ] -2 d) the polyatomic ion of charge -1: [Mn(CN) 6 ] - 5. Given the unbalanced equation ?ClO 2 - + ?NO 2 - ?Cl - + ?NO 3 - (acidic medium) How many moles of NO 2 - will react with 1 mol of ClO 2 - ? a) 1
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MAKEUP TEST - General Chemistry 1035 Make up exam...

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