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While a metal was exposed to light at a frequency of 3.72x1015 s-1, electrons were emitted with a kinect energy of 6.00x10-19 J.Explain what is the maximum number of electrons that could be ejected from this metal by a burst of light at some other frequency with a total energy of 3.47x10-7 J?
If the entropy of a collection of molecules in 50,000 boxes is 3.73E-20 J/K, how many molecules are there
what is the expectation value of p2 the momentum squared? you can give your answer as an integral you dont need to
what is the resonance energy of c6h6 and how do you find
A sample of 1.00 mol of a perfect monatomic gas with a molar heat capacity at constant volume of 3/2R initially at 298K and 10 L is expanded with the surroundings maintained at 298K, to a final volume of 20 L in three ways
The freezing point of pure camphor is 178.4 oC, and its molal freezing-point constant, Kf, is 40.0 oC/m. find the freezing point of a solution containing 3.00 g of a compound (molar mass = 125 g/mol) dissolved in 45.0 g of camphor.
Draw the structures of all monobromo derivatives of hexane, C6H13Br, which contain a 6-carbon chain.
What is the maximum amount of solid NaCl will dissolve in 1 liter of a 1 M solution with a 1:1 ration of MgCl2 and CaCl2
What are the mass and mole fraction of all components in the mixture? What is the average molecular weight of the mixture?
A solution is made by mixing 45.0 mL of ethanol, C2H6O, and 55.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C
Explain how many moles of magnesium (Mg) are there in 87.3 g of Mg3N2. Define how many atoms of Mg are in 87.3 g of Mg3N2? Define what is the molar mass of Mg3N2
an empty volumetric flask weighing 60.42 grams weighed 309.60 grams when filled with water. after emptying the water
Explain what is the MOLAR heat of combustion of benzene, C6H6 if combustion of 3.00 g of benzene causes a temperature increase of 5.18 deg C in a bomb calorimeter that has a heat capacity of 8.07 kJ/deg Celsius. (C6H6 = 78.1 g/mol)
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