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4.0 moles of methanol is allowed to react with 1.0 moles of benzoic acid to form methyl benzoate and water. After the mixture reaches equilibrium 0.10 moles of benzoic acid is recovered. What is the numerical value of the equilibrium constant?
a. 2.0
b. 2.1
c. 2.6
d. 2.8
e. 3.0
A 2.00 gram sample of unknown gas is placed into a 296 mL flask at 17°C and found to have a pressure of 717 torr. What is the pressure (in kPa) if the sample is moved into a 200 mL flask at 352K
In a gas mixture, the partial pressures are nitrogen 0.559 ATM, oxygen 115 torr, and helium 0.296 mm Hg. What is the total pressure (in torr) exerted by the gas mixture
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The minimum energy needed to eject an electron from a sodium atom is 4.41 * 10^-19 J What is the maximum wavelength of light, in nanometers, that will show a photoelectric effect with sodium
an effusion apparatus can be used to determine molecular weights. in one experiment the effusion of chcl3 is detected
An automobile tire is inflated with air originally at 10.0 celsius and normal atmospheric pressure. During the process, the air is compressed to 30.5% of its original volume and the temperature is increased to 45.5 celsius. (a) What is the tire pr..
Explain What is the concentration of the HCl, A 25.00 mL sample of HCl of unknown concentration is completely neutralized with 25.00 mL
If 1.0*10^15 atoms of Radium produce an average of 1.373*10^4 atoms of Radium per second, how many liters of Radium, measured at STP, are produced per day by 3.5g of Radium?
Calculate the amount of HCN that gives the lethal dose in a small laboratory room measuring 12.0 ft×15.0 ft×8.50ft.
What characteristic H NMR absorption would be expected in the aliphatic region for 9-hydroxyfluorene
How much energy (heat) is released when 1.52 moles of H2 reacts with 0.68 moles of Cl2 to create HCl(g) if the ΔHrxn = -184.6 kJ.
The density of water is 1.00 g/ml and the density of propanol C3H8O is 0.866 g/ml. What volume of propanol contains the same number of molecules are present in 127.1ml of water
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