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Samples containing the isomers cyclohexylmethanol as well as cyclohexyl methyl ether are injected into a carbowax column. Which of these two would have a shorter retention time? Briefly explain why
Trying to compare two samples explain how can you tell which one benefited the most from crystallization
A piston has an external pressure of 5.00 atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.540 liters.
Given that Kp for 2SO2(g)+O2(g)=2SO3(g) equals 3.18 at 1000K. Figure out what must be the value of Kc for this same equilibrium.
A sample of gas occupies a volume of 50.4 mL. As it expands, it does 125.5 J of work on its surroundings at a constant pressure
At two temperatures, 85 K and 135 K, the vapor pressures of a certain liquid were found to be 540 Torr and 830 Torr, respectively. From this information, determine the molar enthalpy of vaporization
a student observed after an experimentnbsp that a gas sample of 250-mlnbsp has a mass of 0.243 g atnbsp a temperature
Calculate the temperature at which k = 10.0 s-1 if k = 5.00 s-1 at 318 K. The activation energy for the reaction is 45.0 kJ mol -1
The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 9,494kJ of heat is needed from the combustion
What volume in liters of gaseous hydrogen chloride can be prepared from 40.0 liters of hydrogen with excess of chlorine. All volumes are measured at STP.
a common driving force in displacement reactions? a. precipitation b. evolution of a gas c. formation of a weak or nonelectrolyte d. the transfer of electrons
Write the balanced half-reaction ocurring at the cathode. What would the potential of the cell if it was modified to use 0.10M AgNO3 solution and a 0.30M Cd(NO)3 solution instead
write net broslashnsted equation for lithium dihydrogenphosphate with a ph
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