CHEM 1210HW#8 Exercise 17.82 Part A Constants Periodic Table Standard Thermodynamic Quantities for Selected Substances at...
Use the table below to answer the question that follow. Thermodynamic Quantities for Selected Substances at 298.15K (25°C) Substance AHºf (kJ/mol) AG°f (kJ/mol) S (J/K mol) Carbon C (s, diamond) 1.88 2.84 2.43 C(s, graphite) 0 5.69 C2H2 (9) 226.7 209.2 200.8 C2H4 (9) 52.30 68.11 219.4 C2H6 (9) -84.68 -32.89 229.5 CO (9) -110.5 -137.2 197.9 CO2 (9) -393.5 -394.4 213.6 Hydrogen H2(g) 0 0 130.58 Oxygen 02 (9) 0 0 205.0 H₂O (1) -285.83 -237.13 69.91 The combustion...
Use the table below to answer question 1. Thermodynamic Quantities for Selected Substances at 298.15 K (25 °C) Substance AHºf (kJ/mol) AG°f (kJ/mol) S (J/K-mol) 2.84 2.43 Sige Carbon C(s, diamond) 1.88 C(s, graphite) 0 C2H2 (g) 226.7 C2H4 (g) 52.30 C2H6 (g) -84.68 CO(g) -110.5 CO2 (g) -393.5 209.2 68.11 -32.89 -137.2 -394.4 5.69 200.8 219.4 229.5 197.9 213.6 Hydrogen H2(g) 0 0 130.58 Oxygen O2 (g) H20 (1) 205.0 69.91 -285.83 -237.13 1) The combustion of acetylene in...
Use the table below to answer question 2. Thermodynamic Quantities for Selected Substances at 298.15 K (25 °C) Substance AH® (kJ/mol) AGºr (kJ/mol) S (J/K-mol) Calcium Ca(s) CaCl2 (s) Ca2+ (aq) O -795.8 226.7 0 -748.1 209.2 41.4 104.6 200.8 Chlorine Cl2 (8) Cl- (aq) 222.96 56.5 -167.2 -131.2 0 Oxygen 02 (8) H20 (1) 205.0 69.91 -285.83 -237.13 Phosphorus P2 (8) PC13 (g) POCI3 (g) 144.3 -288.1 -542.2 103.7 -269.6 -502.5 218.1 311.7 325 Sulfur S (s, rhombic) 0...
Thermodynamic properties of pure substances Standard thermodynamic quantities for selected substances at 25 ° C listed alphabetically by most important atom. substance Δ Hf ° (kJ/mol) Δ Gf ° (kJ/mol) S ° (J/mol∙K) Aluminum Al3+ (aq) --- -485.0 --- Al (s) 0 0 28.3 Al2O3 (s) -1675.7 -1582.3 50.9 Al(OH)3 (s) --- -1147.25 --- Bromine Br− (aq) --- -104.0 --- Br2 (l) 0 0 152.2 Br2 (g) 30.9 3.1 245.5 HBr (g) -36.3 -53.4 198.7 Calcium Ca2+ (aq) --- -553.6...
(7 pts.) Calculate the heat absorbed when 4.20 g of H2 are produced according to the following equation. CH3OH (g) → CO(g) + 2 H2(g) AH = 90.2 kJ (7 pts.) When one adds 1.475 kJ of heat energy to a sample of gold, the temperature goes from 12.5 °C to 84.6 °C. Calculate the mass of the sample of gold. Gold has a specific heat capacity of 0.129 J/g.°C. (6 pts.) 10. Write the thermochemical equation for the standard...