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If a discharged electron is moving at 6.50 x 107 m/s, what is the wavelength of light that caused the electron to be removed? The answer is 0.104nm, but I don't know how to get it. I tried wavelength = h/mv but I get .0112nm
Propose a detailed mechanism for the acid - catalyzed Fisher esterification of propanoic acid
the normal boiling point of menthanol is 64.7 degrees celcius, and its molar enthalpy of vaporization is 71.8 kj/mol. Calculate the value of delta S when 1.00 mol of CH3OH (liquid) is vaporized at 64.7 degrees celcius.
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)?
Briefly discuss how the solubility, crystallization and extraction techniques aid one in separation of the components of "Panacetin".
Use the standard entropies values to calculate ?S° for the reaction 1. S° (J/mole-K): COCl2 (g) 283.7 H2O (l) 69.9 CO2 (g) 213.7 HCl (g) 186.8 1) COCl2 (g) + H2O(l) ?CO2(g) + 2HCl (g)
Compute ΔHo fusion and ΔSo fusion for this substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K..
A baseball pitcher's fastball is clocked at 100 miles per hour (mph). Calculate the wavelength of a 141 g baseball in nm at this speed.
A sample containing 0.35 mol argon gas at a temperature of 13 C and a pressure of 568 torr is heated to 56 C and a pressure of 897 torr. A. What is the original volume of the gas? B. What is the new volume of the argon gas?
The cis and trans geometric isomers of a compound can have different chemical and physical properties. Draw the structure of the geometric isomer of 2-pentene that has the lower melting point
Calculate the quantity of energy produced per gram of reactant for the fusion of two H - 2 (atomic mass = 2.014102 amu) atoms to form He-3 (atomic mass = 3.016029 amu) and one neutron.
What is the solubility of lead fluoride in a solution of 0.050 M of sodium fluoride?
How much heat is liberated at constant pressure if .889 g of calcium carbanate reacts with 43.9 ml of .756 M hydrochloric.
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