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Free energy change of a reactionConsider the combustion reaction for propane below.CH3CH2CH3(g)+5O2(g)-------->3 C02(g)+4H20(g)
a) Determine the delta G standard state at 298 K from the following standard state values at T= 298S(CH3CH2CH3)=269.9 J/K molS(C02)= 213.7 J/K molS(H20)=188.8 J/K molS(02)=205.1 J/ K moldelta H(CH3CH2CH3)=-103.9 kJ/moldelta H(C02)=-393.5 kJ/moldelta H(H20)=-241.8 kJ/mol
b) Determine the delta G standard state at 1000K. assume delta H is independent of temperature
Determine how many milligrams of H 2 O are present in sample If the freezing point of 100.0 grams of sample of 2-methyl-2-propanol =24.59C, (2methyl-2propanol has Kf=4.68Ckg/mol
A flask contains 0.250 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
If 42.3 L of PH3 forms when 85.1L of H2 (g) reacts with 167.6 (g) of P4 at STP. What is the percent yield.
A mixture of Helium, Neon, and Nitrogen gases has a pressure of 1.348 atm. Determine what is the partial pressure of N2 in the mixture If the pressures of Helium and Neon are 0.124 atm and 0.996 atm, respectively.
The average pH of precipitation in rural areas is 5.80. Assuming that the pH is controlled by the carbonate system, i.e., no anthropogenic acid gases are present in the atmosphere.
Compute the mass of air in an air-filled tire and the also determine the mass of He in a helium-filled tire
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
Determines the rate constant for this reaction and express and determine how many mL of a 0.157M solution of KOH is required to react with 0.385g of CH 3 COOH?
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
How many moles of Allyl Sulfide (C3H5)2S in 23.2g? How many H atoms are in 0.85 mole of allyl sulfide?How many atoms of Carbon are in 4.20 X 10^23 molecules of allyl sulfide.
The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element X has a partially filled 4d subshell. What type of element is X?
A 275-g sample of nickel at 100.0C is placed in 100.0 mL of water at 22.0C. What is the final temperature of the water.
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