Consider the evaporation of methanol at 25.0∘C:
CH3OH(l)→CH3OH(g).
1. Find ΔG∘ at 25.0∘C.
2. PCH3OH=160.0 mmHg
3.PCH3OH=104.0 mmHg
4. PCH3OH=11.00 mmHg
5. The vapor pressure of methanol is 143 mmHg. Identify the best reason to explain why methanol spontaneously evaporates in open air at 25.0∘C and standard pressure (760 mmHg).
Consider the evaporation of methanol at 25.0∘C: CH3OH(l)→CH3OH(g). 1. Find ΔG∘ at 25.0∘C. 2. PCH3OH=160.0 mmHg...
Consider the evaporation of methanol at 25.0 ?C: CH3OH(l)?CH3OH(g). A. Find ?G? at 25.0 ?C. B. Find ?G at 25.0 ?C under the following nonstandard conditions: (i)PCH3OH= 156.0mmHg . C. Find ?G at 25.0 ?C under the following nonstandard conditions: (ii) PCH3OH= 106.0mmHg . D. Find ?G at 25.0 ?C under the following nonstandard conditions: (iii) PCH3OH= 13.0mmHg .
1) Consider the equilibrium of methanol vapor and the liquid. CH3OH(l)↽−−⇀CH3OH(g) Thermodynamic Table at 25 ∘C Substance ΔHf∘ (kJ/mol) S∘ (J/mol‑K) ΔGf∘ (kJ/mol) CH3OH(l) −239.2 126.8 −166.6 CH3OH(g) −201.0 239.9 −162.3 What is the vapor pressure of the methanol at −30 ∘C? Pvap= atm What is the vapor pressure of the methanol at 40 ∘C? Pvap= 2) Substance ΔG°f(kJ/mol) M2O(s) −8.70 M(s) 0 O2(g) 0 Consider the decomposition of a metal oxide to its elements, where M represents a generic...
Use standard free energies of formation to calculate AG at 25°C for each of the following reactions. AG xn = EMAG (produ Substituting the appropriate stoichiometric coefficients from the balanced chem AGPx = 175.2 kJ. AGî (kJ/mol) -228.6 -237.1 -16.4 87.6 Part D -137.2 2KCIO3(s) +2KC1(s) + 302(g) Express your answer to one decimal place and include the appropriate units. Substance H2O(g) H2O(1) NH3(g) NO(g) CO(g) CO2(g) CH4(g) C2H2(g) CC4(1) Fe3O4(s) KCIO3(s) KCI(S) -394.4 -50.5 209.9 -66.4 AGFn = 224.4...
1.Carbon monoxide gas reacts with hydrogen gas to form methanol via the following reaction: CO(g)+2H2(g)→CH3OH(g)CO(g)+2H2(g)→CH3OH(g) A 1.65 LL reaction vessel, initially at 305 KK, contains carbon monoxide gas at a partial pressure of 232 mmHg and hydrogen gas at a partial pressure of 395 mmHg. Identify the limiting reactant and determine the theoretical yield of methanol in grams. Express your answer with the appropriate units. 2. What is the pressure in a 12.0-LL cylinder filled with 39.5 g of oxygen...
1. Consider 4.60 L of a gas at 365 mmHg and 20. ∘C . If the container is compressed to 3.00 Land the temperature is increased to 38 ∘C , what is the new pressure, P2, inside the container? Assume no change in the amount of gas inside the cylinder. Express your answer with the appropriate units. 2. Imagine that the gas shown in the simulation is an ideal gas such as helium. Notice that the final number of moles...
(1). Which of the following molecules is most soluble in hexane, C6H14? NH3 CH3NH2 CH3OH CH3CH3 H2O (2). Which of the following molecules is most soluble in methanol CH3OH? N(CH3)3 CH3NH2 CH3COCH3 CH3CH2CH2CH2CH2CH3 HOCH2CH2OH (3). Calculate the concentration of CO2 in a soft drink that is bottled with a partial pressure of CO2 of 5 atm over the liquid at 25 °C. The Henry’s Law constant for CO2 in water at this temperature is 3.12 ´ 10–2 mol L–1 atm–1....