For the following reaction:
2Na(s) + 2H2O(l) → 2NaOH(s) + H2(g)
Compound | ΔH°f (kJ mol-1) | S° (J mol-1 K-1) |
Na (s) | 0.00 | 51.30 |
H2O (l) | -285.83 | 69.91 |
NaOH (s) | -425.93 | 64.46 |
H2 (g) | 0.00 | 130.68 |
Calculate ΔG°rx (in kJ) at 391.96 K for this reaction. Assume ΔH°f and S° do not vary as a function of temperature.
For the following reaction: 2Na(s) + 2H2O(l) → 2NaOH(s) + H2(g) Compound ΔH°f (kJ mol-1) S°...
For the following reaction: 2CH4(g) + O2(g) → 2CO(g) + 4H2(g) Compound ΔH°f (kJ mol-1) S° (J mol-1 K-1) CH4 (g) -74.87 188.66 O2 (g) 0.00 205.70 CO (g) -110.53 197.66 H2 (g) 0.00 130.68 Calculate ΔG°rx (in kJ) at 345.31 K for this reaction. Report your answer to two decimal places in standard notation (i.e. 123.45 kJ). Assume ΔH°f and S° do not vary as a function of temperature.
For the following reaction: 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l) Compound ΔH°f (kJ mol-1) S° (J mol-1 K-1) CH3OH (l) -238.40 127.19 O2 (g) 0.00 205.70 CO2 (g) -393.51 213.74 H2O (l) -285.83 69.91 Determine the temperature (to two decimal places in K) such that the reaction is in equilibrium in its standard states.
For the reaction 2Na(s) + 2H2O(1) -2NaOH(aq) + H2(g) AH° -368.6 kJ and AS --15.3 J/K The maximum amount of work that could be done when 2.20 moles of Na(s) react at 261 K, 1 atm is kJ. Assume that AH and AS are independent of temperature.
Consider this reaction: 2NaOH(aq) + H2(g) →2Na(s) + 2H2O(l) Δ H°sys = +367.58 kJ/mol ΔS°sys = –11.40 J/K·mol Calculate ΔSuniv for this reaction at 25 °C
Sodium reacts with water according to the reaction: 2Na(s)+2H2O(l)→2NaOH(aq)+H2(g) Identify the oxidizing agent. a) H2O(l) b) NaOH(aq) c) Na(s) d) H2 (g)
For the following reaction: CS2(g) + 3O2(g) → CO2(g) + 2SO2(g) Compound ΔH°f (kJ mol-1) S° (J mol-1 K-1) CS2 (g) 116.70 237.80 O2 (g) 0.00 205.70 CO2 (g) -393.51 213.74 SO2 (g) -296.84 248.20 Calculate ΔG°rx (in kJ) at 794.8 K for this reaction. Report your answer to two decimal places in standard notation (i.e. 123.45 kJ). Assume ΔH°f and S° do not vary as a function of temperature.
Enter your answer in the provided box. Consider the reaction 2Na(s) + 2H2O(1) 2NaOH(aq) + H2) When 2 moles of Na react with water at 25°C and 1 atm, the volume of H2 formed is 24.5 L. Calculate the magnitude of work done in joules when 0.25 g of Na reacts with water under the same conditions. (The conversion factor is 1 L atm = 101.3 J.) J
Calculate ΔG°rxn for the reaction shown (DO NOT INCLUDE UNITS IN YOUR ANSWER) 2Na(s) + 2H2O(l) --> 2NaOH (aq) + H2 (g) Calculate ΔG°rxn for the reaction shown (DO NOT INCLUDE UNITS IN YOUR ANSWER) Ti(s) + 2Cl2 (g) --> TiCl4 (l)
The reaction of sodium(s) with water(l) to form sodium hydroxide(aq) and hydrogen(g) proceeds as follows: 2Na(s) + 2H2O(1)—>2NaOH(aq) + H2(g) When 5.91 g Na(s) reacts with sufficient H2O(1), 47.4 kJ is evolved. Calculate the value of A,H for the chemical equation given. kJ/mol Submit Show Approach Show Tutor Steps
B. Calculate the standard entropy change for the reaction 2Na(s)+Cl2(g)?2NaCl(s) using the data from the following table: Substance ?H?f (kJ/mol) ?G?f (kJ/mol) S? [J/(K?mol)] Na(s) 0.00 0.00 51.30 Cl2(g) 0.00 0.00 223.1 NaCl(s) -411.0 -384.0 72.10 Express your answer to four significant figures and include the appropriate units. Part A Predict the sign of the entropy change, AS°,for each of the reaction displayed. Drag the appropriate items to their respective bins. Ag+(aq) + Cl-(aq) → AgCl(s) | | Ca(OH)2(s) →...