ans= -90
Explain the third law of thermodynamics Question Calculate the standard entropy change for the following process...
Calculate the standard entropy change for the reaction 2H2(g)+O2(g)?2H2O(l) using the data from the following table: Substance ?H?f (kJ/mol) ?G?f (kJ/mol) S? [J/(K?mol)] H2(g) 0.00 0.00 130.6 O2(g) 0.00 0.00 205.0 H2O(l) -285.8 -237.2 69.90 Express your answer to four significant figures and include the appropriate units. Please show me the steps on how to solve this!!! Thank you!!!
Use the standard molar entropies B to calculate the standard entropy of reaction for the oxidation of graphite to carbon monoxide: 2C(s)+O2(g)→2CO(g) C(s) = 5.7 J/K*mol, O2(g) = 205.0 J/K*mol, CO(g)= 197.6 J/K*mol Express your answer using one decimal place and include the appropriate units.
Calculate the standard entropy change for the reaction2Mg(s)+O2(g)→2MgO(s)using the data from the following table:Substance△ Hf (kJ/mol)△Gf (kJ/mol)S0 [J/(K/mol)]Mg(s)0.000.0032.70O2(g)0.000.00205.0MgO(s)-602.0-569.627.00Express your answer to four significant figures and include the appropriate units.
16. The total entropy of a system and its surroundings always increases for a spontan process. This is a statement of A) the law of constant composition. B) the first law of thermodynamics. C) the second law of thermodynamics. D) the third law of thermodynamics. the law of conservation of matter. 17. The standard enthalpy of vaporization of chloroform is 29.2 kJ/mol at its normal point, 61.2°C. What is the standard change in entropy for the vaporization of chloroform at...
Enter your answer in the provided box. Calculate the standard entropy change for the following reaction at 25°C. S(rhombic) + O2(g) → SO2(g) K.mol 31.88 S(rhombic) 02(g) SO2(g) 205.0 248.5
1) Calculate the standard-state entropy for the following reaction:2 NiS(s)+ 3 O2(g)→ 2 SO2(g)+ 2 NiO(s)(If applicable, coefficients of one have been included for clarity.)The standard entropy values are given in the table.Formula S J/(K*mol)SO2(g) 248NiO(s) 38.0NiS(s) 53.0O2(g) 205Express your answer in joules per kelvin to three significant figures.
data: H20(s) H20(g) ubH (298), H20(s)-H20(0) Byus 2Buk) 4. Calculate the standard enthalpy change for the following reaction by using the data below C(graphite) + 02(g) CO2(g) A,H (298K) CH.(9)+20,(9)Co,(g)+ 28,0) ,H (298K)- -890.31 kJ mol" C(graphite) +2H2(g) -CH, (g) A,H (298K)--7487 k mol-
ANSWER EACH QUESTION AND SHOW WORK
4) Using the accompanying data, calculate the standard entropy changes for the following reactions at 25 °C: MgCo. (s) → MgO (s) + CO2 AS(/K-moll) 65.69 2 6.78 213.6 AS (J/K-mol) 2 CH. () + 70, (g) → 4CO2(g) + 6H20 (1) 172.8 205.0 213.6 69.9 5) Calculate the free energy change for this reaction at 25°C. Is the reaction spontaneous? 2 Ca (s) + 02 (g) + 2 Cao (s) AH = -1269.8...
Exercise 11.50 Use Avogadro's law to complete the following table (assume pressure and temperature to be constant): V TV 12 25.9 L 5.08 mol 3.03 mol 1.17 mol 418 mL 0.904 mol 8.73 L 0.0023 mol 10.5 L 52 mL 12 mL 2.62x10-4 mol Part A Complete the first column of the table. Express your answer using three significant figures. 20 AED + O2 ? Vi = IL Submit Request Answer Part B Complete the second column of the table....
Calculate the standard entropies for the following chemical
reactions.
Sulfur S(s, rhombic) 31.88 430.9 S818) 49.7 -300.4 SO2(8) SO;(8) SO2 (aq) 102.3 - 296.9 -395.2 -909.3 -370.4 -744.5 248.5 256.2 20.1 217.94 203.26 114.60 Hydrogen Hg) H(aq) H*(8) H2(8) 0 1536.2 1517.0 108.9 130.58 Iodine I(8) 1 (8) 106.60 -55.19 62.25 70.16 -51.57 19.37 12(8) 12(8) HI(g) 180.66 111.3 260.57 116.73 206.3 25.94 1.30 Entropy changes for a reaction can be estimated in a manner analogous to that by which...