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9. Calculate wy in J for H:0U, d - 1.00 g/mL) > H0(s, 0.91 g/mlL). Is...
7. A voltaic cell reaction is: a) Which electrode is anode? b) Calculate Ect and Ece...
7. A voltaic cell reaction is: a) Which electrode is anode? b) Calculate Ect and Ece 8. Give signs (+,-, or 0} for ΔΗ, as, ΔG. and wrpv for 2H2O)-) 2H,(g) + Orlg) at 1 atm and 25°C. Calculate wpv in J for Holl, d-1.00 g/mL) → Hols, 0.91 g/m4 s work done by or to water? atm (1 9. 101.3 J) Δ»-40.0 ki, As-1189 /K. In what H,0(g) 10. Calculate Teq for vaporization of water, Hon temperature range is...
Using the thermodynamic data given in the procedure, calculate ∆H°, ∆S°, and ∆G for the dissolution...
Using the thermodynamic data given in
the procedure, calculate ∆H°, ∆S°, and
∆G for the dissolution of each salt in Part 1. Use the
initial temperature you recorded in lab for the ∆G
calculation.
Data Table 1 Salt Observations Mass of Salt (g) Volume of Water (ml) 5.0 Initial Final Temperature Temperature (°C) (°C) 1.0173 23.1 21.9 Sodium Chloride completely dissolved, slightly cooler 5.0 1.0233 22.8 15.2 Potassium Chloride completely dissolved, cold to the touch 5.0 0.9824 23.2 30.7 Calcium...
36. How much heat is gained by nickel when 500 g of nickel is warmed from...
36. How much heat is gained by nickel when 500 g of nickel is warmed from 22.4 to 584"C? me specific 0.444 J/KB C). 37. Given the following data of the standard enthalpy changes, find the heat required for the reaction converting solid sulfur to gaseous sulfur at 298 K and I atm pressure. heat of nickel is A) 2000J B 4000 C) 60003D) 8000 E) 100003 A)-1013k/rnol B)+618klmol C)-618 kimiol D)-223 kinol E)+223 kinnol 38. Calculate the standard heat...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b only C) c only D) bandc E) a and 33) The value of AH' for the reaction below is - 790 kl. The enthalpy change accompanying the reaction of 0.95 g of Sis_ k 33) 25 (s) + 302 (9) -2503 (9) A) 12 B) 23 C) -23 D) - 790 E) -12 34) The value of AH' for the...
7. A voltaic cell reaction is: a) Which electrode is anode? b) Calculate Ect and Ece 8. Give signs (+,-, or 0} for ΔΗ, as, ΔG. and wrpv for 2H2O)-) 2H,(g) + Orlg) at 1 atm and 25°C. Calculate wpv in J for Holl, d-1.00 g/mL) → Hols, 0.91 g/m4 s work done by or to water? atm (1 9. 101.3 J) Δ»-40.0 ki, As-1189 /K. In what H,0(g) 10. Calculate Teq for vaporization of water, Hon temperature range is...
Using the thermodynamic data given in
the procedure, calculate ∆H°, ∆S°, and
∆G for the dissolution of each salt in Part 1. Use the
initial temperature you recorded in lab for the ∆G
calculation.
Data Table 1 Salt Observations Mass of Salt (g) Volume of Water (ml) 5.0 Initial Final Temperature Temperature (°C) (°C) 1.0173 23.1 21.9 Sodium Chloride completely dissolved, slightly cooler 5.0 1.0233 22.8 15.2 Potassium Chloride completely dissolved, cold to the touch 5.0 0.9824 23.2 30.7 Calcium...
36. How much heat is gained by nickel when 500 g of nickel is warmed from 22.4 to 584"C? me specific 0.444 J/KB C). 37. Given the following data of the standard enthalpy changes, find the heat required for the reaction converting solid sulfur to gaseous sulfur at 298 K and I atm pressure. heat of nickel is A) 2000J B 4000 C) 60003D) 8000 E) 100003 A)-1013k/rnol B)+618klmol C)-618 kimiol D)-223 kinol E)+223 kinnol 38. Calculate the standard heat...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b only C) c only D) bandc E) a and 33) The value of AH' for the reaction below is - 790 kl. The enthalpy change accompanying the reaction of 0.95 g of Sis_ k 33) 25 (s) + 302 (9) -2503 (9) A) 12 B) 23 C) -23 D) - 790 E) -12 34) The value of AH' for the...
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