10. 11. Given the following reactions Determine the oxidation number for the indicated element in each...
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10. 11. Given the following reactions Determine the oxidation number for the indicated element in each of the following substances: (a) S in SO₂, (b) C in COCI₂, (c) Mn in KMnO4, (d) Br in HBrO, (e) P in PF3 12. CaCO3(s) CaO (s) + CO₂(g) C (s, graphite) + O₂(g) → CO₂ (g) the enthalpy of the reaction is A) 215.4 B) 571.6 C) -215.4 D) -571.6 E) 7.01 104 - kJ. 15. CaCO3 (s) → CaO (s) + C (s, graphite) + O₂ (g) ΔΗ – 178.1 kJ C) 298.15 K and 1 torr D) 273.15 K and 1 pascal E) 273.15 K and 1 torr AH--393.5 kJ 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 13. Give the numerical values of n and I corresponding to each of the following orbital designations: (a) 3p, (b) 2s, (c) 4f, (d) 5d 14. For each element indicate the valence electrons, core electrons and unpaired electrons: (a) carbon, (b) sulfur, (c) silicon, (d) potassium 3 10. 11. Given the following reactions Determine the oxidation number for the indicated element in each of the following substances: (a) S in SO₂, (b) C in COCI₂, (c) Mn in KMnO4, (d) Br in HBrO, (e) P in PF3 12. CaCO3(s) CaO (s) + CO₂(g) C (s, graphite) + O₂(g) → CO₂ (g) the enthalpy of the reaction is A) 215.4 B) 571.6 C) -215.4 D) -571.6 E) 7.01 104 - kJ. 15. CaCO3 (s) → CaO (s) + C (s, graphite) + O₂ (g) ΔΗ – 178.1 kJ C) 298.15 K and 1 torr D) 273.15 K and 1 pascal E) 273.15 K and 1 torr AH--393.5 kJ 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 13. Give the numerical values of n and I corresponding to each of the following orbital designations: (a) 3p, (b) 2s, (c) 4f, (d) 5d 14. For each element indicate the valence electrons, core electrons and unpaired electrons: (a) carbon, (b) sulfur, (c) silicon, (d) potassium 3
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10 asin S0 11 Now e bein coel c n 2 x2 0 n2 9 x 2 4 2 0 n2220 n Let oxidation state of Unknown ... View the full answer
Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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