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What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear?
8.05×10-4 KJ/mol
Ca(HCO3)2(s) + HBr(aq) For the equation given above, enter the total ionic equation and net ionic equation
calculate the molar mass of an unknown gas if 0.192 grams of the gas occupies a volume of 293 ml at 754.7 mm Hg and 22.5 degrees celsius.
The lab is synthesis of Methyl Benzoate. The question is besides fischer sterification Name three other ways to make esters.
The heat of fusion, ?Hfus, of ethanol (C2H5OH) is 4.9 kJ/mol. The heat of sublimation of ethanol, for the process C2H5OH(s) ? C2H5OH(g) , is 43.5 kJ/mol. What is the heat of vaporization of ethanol?
The solubility of PbS in water is 7.0 x 10 ^-29mol/L. Will its solubility increase or decrease in a solution that has a pH of 9.4
Identify the conjugate base of HSO4 - in the reaction H2PO4- + HSO4- ? H3PO4 + SO42- A) H2PO4- B) H2SO4 C) H2O D) H3PO4 E) SO42-
assume that the wet limestone process requires 1 metric ton of caco3 to remove 90 of the sulfer from 4 metric tons of
what is the name of the glassware to which the separatory funnel, boiling flask, and still head was attached during distillation?
Consider the following reaction at equilibrium. What affect will adding more SO3 have on the system?
a smaller amount of A would remain in the water than if the solution were extracted with one 50mL portion of diethyl ether.
A given mass of air occupies 900 ml at one atmosphere (760 mm) of pressure. What pressure must be applied to reduce the volume to 700 ml at constant temperature
How do you write structural formulas for all the constitutionally isomeric compounds having the given molecular formula C3H9N,
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