Please complete the following questions. You must show all work for full credit. 1. Which one...
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Please complete the following questions. You must show all work for full credit. 1. Which one of the following is a "substance" in the sense of the word as used in your text book? A) air B) tap water C) sea water (D) water E) George W. Bush 2. Calculate the molar mass of (NH)AsO.. A) 417.80 g/mol -B) 193.03 g/mol C) 165.02 g/mol D) 156.96 g/mol E) 108.96 g/mol Geenral Chemistry I CHEM 111 3. Calculate the molar mass of tetraphosphorus decaoxide, P.O, a corrosive substance which can be used as a drying agent. A) 469.73 g/mol B) 283.89 g/mol 190.97 g/mol D) 139.88 g/mol E) 94.97 g/mol 4. Phosphorus pentachloride, PCIs, a white solid that has a pungent, unpleasant odor, is used as a catalyst for certain organic reactions. Calculate the number of moles in 38.7 g of PCIS. A) 5.38 mol B) 3.55 mol C) 0.583 mol D) 0.282 mol E) 0.186 mol Page 1 5. Select the precipitate that forms when the following reactants are mixed. Mg(CH.COO)2(aq) + LiOH(aq) → A) LICH,COO B) Li(CH,COO)2 C) MgOH D) Mg(OH)₂ E) CH₂OH + 2N0₂ 6. Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous PO(1) NoPS (₂) + Map Say 3 The percipitude 5 PbSO4. sodium sulfate. A) NaNO, B) Na:NO, C) PESO D) Pb₂SO4 E) PbS 7. Select the precipitate that forms when the following reactants are mixed. Na₂CO₂(aq) BaCl(aq) → A) Ba₂CO, B) BaCO, C) NaCl D) NaCl₂ E) BaO 8. Select the classification for the following reaction. electricity 2Na(1) + Cl₂(g) 2NaCl(1) A) acid-base B) precipitation C) combination D) displacement (E) decomposition 9. Select the classification for the following reaction. Fe(s) + 2Fe (aq) → 3Fe²(aq) A) precipitation B) acid-base C) redox D) decomposition E) none of the above -> Pb Song + 2N ND Please complete the following questions. You must show all work for full credit. 1. Which one of the following is a "substance" in the sense of the word as used in your text book? A) air B) tap water C) sea water (D) water E) George W. Bush 2. Calculate the molar mass of (NH)AsO.. A) 417.80 g/mol -B) 193.03 g/mol C) 165.02 g/mol D) 156.96 g/mol E) 108.96 g/mol Geenral Chemistry I CHEM 111 3. Calculate the molar mass of tetraphosphorus decaoxide, P.O, a corrosive substance which can be used as a drying agent. A) 469.73 g/mol B) 283.89 g/mol 190.97 g/mol D) 139.88 g/mol E) 94.97 g/mol 4. Phosphorus pentachloride, PCIs, a white solid that has a pungent, unpleasant odor, is used as a catalyst for certain organic reactions. Calculate the number of moles in 38.7 g of PCIS. A) 5.38 mol B) 3.55 mol C) 0.583 mol D) 0.282 mol E) 0.186 mol Page 1 5. Select the precipitate that forms when the following reactants are mixed. Mg(CH.COO)2(aq) + LiOH(aq) → A) LICH,COO B) Li(CH,COO)2 C) MgOH D) Mg(OH)₂ E) CH₂OH + 2N0₂ 6. Select the precipitate that forms when aqueous lead(II) nitrate reacts with aqueous PO(1) NoPS (₂) + Map Say 3 The percipitude 5 PbSO4. sodium sulfate. A) NaNO, B) Na:NO, C) PESO D) Pb₂SO4 E) PbS 7. Select the precipitate that forms when the following reactants are mixed. Na₂CO₂(aq) BaCl(aq) → A) Ba₂CO, B) BaCO, C) NaCl D) NaCl₂ E) BaO 8. Select the classification for the following reaction. electricity 2Na(1) + Cl₂(g) 2NaCl(1) A) acid-base B) precipitation C) combination D) displacement (E) decomposition 9. Select the classification for the following reaction. Fe(s) + 2Fe (aq) → 3Fe²(aq) A) precipitation B) acid-base C) redox D) decomposition E) none of the above -> Pb Song + 2N ND
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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