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Calculate the change in free energy (Delta G) for the combustion of 1 mol of ethane C2H6 in oxygen gas. The products are carbon dioxide and water.
a. 1,773.1 kJ
b. 1,048.3 kJ
c. 1,335.3 kJ
d. 1,441.7 kJ
e. 916.3 kJ
calculate the colume of a .200 M NaOH solution needed to neutralize 40.0 mL of .600 M H2SO4 solution.
Calculate the equivalent number of moles of potassium permanganate? 3) calculate the clarity of the potassium permanganate solution?
The entatic state theorem proposes that enzymes create at the active site an area with its energy closer to that of a unimolecular transition state, rather than that corresponding to a conventional, limiting form of the molecule
What is the theoretical yield of PH3 when 150 grams of Na3P is mixed with 250 grams of H2O? If the actual yield is 30 grams, what is the % yield?
Looking at the colors of the mixtures containing 5.0, 6.7, and 7.5 mL of EN, would you conclude that you prepared one, two, or all three complex ions when you combined the various mixtures of 2.0 X 10-2 M CuSO4 and 2.0 X 10^-2 M EN
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule
A mixture is at equilibrium at a temperature of 492 K and contains 0.997 M NH3 and 0.211 M H2. Determine the concentration of N2 at equilibrium if the Kc = 170. N2(g) + 3 H2(g) ? 2 NH3(g).
if you were to use IR spectroscopy how would you differentiate between acetone, water, and diethyl ether? (include values and relate them to functional groups)
The total mass of the car plus sand is 85,000 . The hopper door is not fully closed so sand leaks out the bottom. After 18.0 minutes, 1.34×104 of sand has leaked out. Then what is the speed of the railroad car?
A sample of gas has a density of 1.25 g/dm at 30 degrees C and 1.02x10^5 Pa. What is the molecular mas of this gas?
Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 98K and 2.0 atm pressure is sealed off. If we inject 60.0 mL of liquid helium and allow the entire system to warm to room temperature
Some MF2 is dissolved in water at 25oC to make a saturated solution. (M is a mystery metal - it's identity can be ignored.) Some of the solution is removed and tested
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