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An incident x-ray photon of wavelength 0.0900 nm is scattered in the backward direction from a free electron that is ini- tially at rest.What is the kinetic energy of the electron after the photon is scattered?
Solid NaI is slowly added to a solution that is 0.0091 M Cu+ and 0.0077 M Ag+. Calculate the concentration of Ag+ when CuI
Without using equations, explain why Delta S for a liquid or solid is dominated by the temperature dependence of S as both P and T change.
A 10.00 ml sample of 0.254 M H2SO4 is titrated with 0.385 M NaOH. What volume of the NaOH solution, in mL, is required?
A solution contains 0.10 M I- and 0.10 M CO32-. In an attempt to separate the ions, Pb(NO3)2 is slowly added to the solution. (a) Identify the precipitates that could form and predict which precipitate will form first.
Explain what are the effects of consuming a diet made up mostly of fats? select all the correct answers. 1. Acetone concentration increases 2. The citric acid cycle becomes overwhelmed with intermediates
Explain What is the concentration of the HCl, A 25.00 mL sample of HCl of unknown concentration is completely neutralized with 25.00 mL
The change in heat for the solution proecss when solid sodium hydroxide dissolves in water is 44.4 kj/mol. when a 13.9 g sample of naoh dissolves in 250.0 g of water in a coffee cup calorimeter, the temperature increases from 23.0 degrees C to how..
the solubility of oxygen in lakes high in the rocky mountains is affected by the altitude. if the solubility of o2
A 670 mL gas sample at STP is compressed to a volume of 284 mL, and the temperature is increased to 20C. What is the new pressure of the gas in Pa? Answer in units of Pa.
for the reaction n2g2 o2g2no2g kc is 8.3 x 10-10 at 25 degrees celcius. what is the concentration of n2 gas at
Problem- Upon decomposition, one sample of magnesium fluoride produced 1.66kg of magnesium and 2.58kg of fluorine. A second sample produced 1.32kg of magnesium. How much fluorine in grams did the second sample produce
what is the geometry of a carbon atom involved in a triple
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