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cesium is used extensively in photocells and in television cameras because it has lowest ionization energy of all the stable elements.a) what is the maximum kinetic energy of a photo electron ejected from cesium by 555nm light? note that if the wavelength of the light used to irradiate the cesium surface become longer than 600 nm, no photoelectrons are emitted.B) use the rest mass of the electron to calculate the velocity of the photoelectron in(a).
Calculate the molar solubility of AgCl in a 1.00L solution containing 10.0g of dissolved CaCl2. Compare the molar solubility of Mg(OH)2 in water and in a solution buffered at a pH of 9.0
Compute the mass of air in an air-filled tire and the also determine the mass of He in a helium-filled tire
Calculate the amount of heat liberated (in kJ) from 421 g of mercury when it cools from 91.0°C to 11.0°C.
How much energy in kilojoules is required to convert 100 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL.
An unknown amount of water is mixed with 370mL of a 6M solution of NaOH solution. A 75mL sample of the resulting solution is titrated to neutrality with 50.7mL of 6M HCl.
How many joules of heat are required to heat 143 g of aluminum from 55.0 oC to 66.5oC?
Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion
Calculate the mass percent of methanol, ethanol, and MTBE, that must be present in gasoline to yield a mixture of 1.8% oxygen by weight.
A 12 m 11 m 3.0 m basement had a high radon content. On the day the basement was sealed off from its surroundings so that no exchange of air could take place.
72.0 mL of a 1.60 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 139 mL of water.
Compute mole fraction of caffeine(C 8 H 10 N 4 O 2 ), the molarity of the solution
Determine the percent yield of barium sulfate If the actual yield = 0.456 grams?
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