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When two atoms collide some of their kinetic energy may be converted into electronic energy in one or both atoms. If the average kinetic (3/2KBT) is about equal to the energy for some allowed electronic transition, an appreciable number of atoms can absorb enough energy an inelastic collision to be raised to an excited electronic state
A) Calculate the average kinetic energy per atom in a gas sample at 298KB)Calculate the energy difference between the n=1 and n=2 levels in hydrogen.C) At what temperature is it possible to excite a hydrogen atom from the n=1 level to the n=2 level by collission
Write a short article about how chromatography is used in every day life. I've been unsuccessful finding much information on exactly how and why it is used for any specific task
what is the percent of ethanol in the vodka, based on the concentraion od Cr^3+. PLEASE I AM so stuck! HELP this is the formula used 16H^+ + 3CH2CH2OH + 2Cr2O7^2- = 3CH3CO2H + 4Cr^3+ + 11H2O.
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution
Calculate the solubility of Ni(OH)2 in a) distilled water and b) at pH of 4.0. Justify your answer. I know I need to use a mass balance ans the reaction for disolution is
what is the molar mass of a sample of gas that has a dnesity of 1.09 g/L at 1.02 atm pressure and 25.0C.
It takes 46.0 to raise the temperature of an 11.2 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
Write the balanced equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution. Include physical states.
How long would you need to sample from a concentration of 1000 PPM using a flow rate of 50 ml/minute to collect 100 mg of material?
Herbigon will be soluble at the concentration needed to kill weeds. What pH must the solution have to yield a solution in which the concentration of X+ is 6.00×10?3M ? The pKa of acetic acid is 4.76.
what is the net ionic equation potassium hydroxide and iron(III) nitrate.
solution containing a silver electrode. Determine the initial voltage of the cell at 298 K
If an athlete weighs 133lb and has 15.0\% body fat by weight, how many pounds of fat does the athlete's body contain
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