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Give the percent yield when 28.16 g of CO2 are formed from the reaction of 5.000 moles of C8H18 with 4.000 moles of O2. 2C8H18 + 25 O2→ 16 CO2+ 18 H2O
A sample of oxygen gas has a volume of 150 mL when its pressure is 0.947 atm. What will the volume of the gas be at a pressure if 0.987 atm if the temputure remains constant
Show the change in oxidation number (give number of electrons gained or lost per atom: e.g., 3e- gained) in the following reactions:
Isoleucine is degraded to propionyl-CoA and acetyl-CoA in a six-step pathway that uses chemical strategies analogous to those in the TCA cycle and the b-oxidation of fatty acids. The (out of sequence) structures of the pathway intermediates are show..
If you find that the standard Gibbs free energy change for a reaction is 3.26 kJ/molK, what is the equilibrium constant for the reaction at 25.0 oC? Be careful with your units in the calculation.
What total volume of a 2.25M sodium chloride aqueous solution contains 0.45 moles of sodium chloride ? *1.0 L *2.3 L * 0.20 L *0.020 L *0.045 L
Methyl nitrite, CH3NO2, a gas at room temperature, is reacted with phenol, C6H6O, to give nitrophenol, in a reaction shown below.
when 1.48g of mercuric chloride is vaporized in a 1.00 l bulb at 680 k the pressure is 225 mm hg. what is the molar
write the full electron configuration for te following ca^2+, Ga^2+, S^2
Which of the following factors increase the likelihood that a reaction will be spontaneous? 1. Energy is released in the form of heat. 2. A liquid is generated from a solid
If you have 100 g of Na and 50 g of H20 to perform the following reaction, how many grams of NaOH(aq) will you produce
The normal boiling point for H2Se is higher than the normal boiling point for H2S . This can be explained by
Part A: Thymolphthalein is an indicator that changes color over a range from pH = 9.3 to pH = 10.5 . What is Ka of thymolphthalein. Part B: Alizarin yellow R, Ka=7.9x10^-12, is yellow in its protonated form (HX) and red in its ionized form (X-)
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