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1) For the reaction below, what is the standard free energy change, ?G° at 453°C if the Kc = 0.020?
2 HI(g) ? H2(g) + I2(g)
2) Calculate ?G at 27°C for the following reaction when the partial pressure of water is 0.76 atm given that the ?G° is 8.38 kJ.
H2O(l) ? H2O(g)
heptapeptide upon HCL hydrolysis produced equimolar amounts of ASP, CYS, GLU, LYS, PHE, TYR, VAL and ammonia. Exposure of the intact heptapeptide to FDNB followed by hydrolysis produced DNP-VAL
If the solid calcium carbonate is in powder form. 2) The temperature of a reaction was increased from 20 to 40deg.C. You were determining the rate of reaction at each of the 2 temperatures. The second reaction should be faster by how much
What is the rate law for step 1 of this reaction? ((Express your answer in standard Mastering Chemistry notation.
What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.00055 atm.) Assume that CO2 obeys Henry's law.
In the production of printed circuit boards for the electronics industry, a 0.715 mm layer of copper is laminated onto an insulating plastic board. Next a circuit pattern made of a chemically resistant polymer is printed on the board.
in the following experiment a coffee-cup calorimeter containing 100 of is used. the initial temperature of the
Spectroscopists have observed He+ in the outerspace. This ion is a one-electron species lik ea neutral hydrogenatom. Calculate the energy emitted for the transition from the n =5 to the n = 3 state in this ion using the equation:
Identify the conjugate base of CH3COOH in the following reaction
The formulas for ethane, ethene and ethyne are C2H6, C2H4, and C2H2 respectively. Rank these compounds by the length of the carbon-carbon bond.
the BF3 molecule acts as a Lewis acid, accepting an electron pair from the F- ion to form a coordinate covalent bond. 5) the BF3 molecule acts as a Lewis base, donating an electron pair to the F- ion to form a coordinate covalent bond.
Assuming that the initial pressure of X(2)(the 2 is at the bottom) was 0.10 bar, calculate the value of K for the decomposition.
when formic acid is heated it decomposes to hydrogen and carbon dioxide in a first-order decayhcoohg rarrco2g h2 gthe
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