Circle the correct answer for each question 1. In which reaction does the oxidation number of...
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Circle the correct answer for each question 1. In which reaction does the oxidation number of oxygen increase? a. Ba(NO3)2(aq)+K₂SO4(aq) → BaSO4(s)+2KNO3(aq b. HCl(aq)+NaOH(aq) → NaCl(aq)+H₂O(l) c. MgO(s)+H₂O(l) → Mg(OH)₂ (s) d. 250₂(g) + O₂(g) →2503(g) e. 2H₂O(l) → 2H₂(g)+O₂(g) 2. Which of the following is an oxidation-reduction reaction? a. Cu(s)+2AgNO3(aq) -2Ag(s)+Cu(NO3)2(aq) b. HCl(aq)+NaOH(aq) → H₂O(l)+NaCl(aq) c. AgNO3(aq)+HCl(aq) → AgCl(s)+HNO3(aq) - d. Ba(C₂H₂O₂)₂(aq)+Na₂SO4(aq) → BaSO4(s)+2NaC₂H₂O₂(aq) e. H₂CO3(aq) + Ca(NO3)2(aq) → 2HNO3(aq)+CaCO3(s) 3. A closed-end manometer was attached to a vessel containing argon. The difference in the mercury levels in the two arms of the manometer was 12.2 cm. Atmospheric pressure was 783 mm Hg. The pressure of the argon in the container was mm Hg. a. 122 b. 661 c. 771 d. 795 e. 882 4. The concentration of iodide ions in a 0.193 M solution of barium iodide is a. 0.193 M b. 0.386 M C. 0.0965 M d. 0.579 M e. 0.0643 M 5. Standard temperature and pressure (STP), in the context of gases, refers to a. 298.15 K and 1 atm b. 273.15 K and 1 atm c. 298.15 K and 1 torr d. 273.15 K and 1 pascal e. 273.15 K and 1 torr Circle the correct answer for each question 1. In which reaction does the oxidation number of oxygen increase? a. Ba(NO3)2(aq)+K₂SO4(aq) → BaSO4(s)+2KNO3(aq b. HCl(aq)+NaOH(aq) → NaCl(aq)+H₂O(l) c. MgO(s)+H₂O(l) → Mg(OH)₂ (s) d. 250₂(g) + O₂(g) →2503(g) e. 2H₂O(l) → 2H₂(g)+O₂(g) 2. Which of the following is an oxidation-reduction reaction? a. Cu(s)+2AgNO3(aq) -2Ag(s)+Cu(NO3)2(aq) b. HCl(aq)+NaOH(aq) → H₂O(l)+NaCl(aq) c. AgNO3(aq)+HCl(aq) → AgCl(s)+HNO3(aq) - d. Ba(C₂H₂O₂)₂(aq)+Na₂SO4(aq) → BaSO4(s)+2NaC₂H₂O₂(aq) e. H₂CO3(aq) + Ca(NO3)2(aq) → 2HNO3(aq)+CaCO3(s) 3. A closed-end manometer was attached to a vessel containing argon. The difference in the mercury levels in the two arms of the manometer was 12.2 cm. Atmospheric pressure was 783 mm Hg. The pressure of the argon in the container was mm Hg. a. 122 b. 661 c. 771 d. 795 e. 882 4. The concentration of iodide ions in a 0.193 M solution of barium iodide is a. 0.193 M b. 0.386 M C. 0.0965 M d. 0.579 M e. 0.0643 M 5. Standard temperature and pressure (STP), in the context of gases, refers to a. 298.15 K and 1 atm b. 273.15 K and 1 atm c. 298.15 K and 1 torr d. 273.15 K and 1 pascal e. 273.15 K and 1 torr
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The detailed answer for the above question is provided below 1 We have to find the oxidation number of oxygen in all species and need to identify where it is increasing a BaNO 3 2 a K 2 SO 4 aq BaSO 4 ... View the full answer
Related Book For
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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