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Evaluate and contrast the possible results as well as the conclusion that can be drawn from two different experiments involving alpha particles being shot at two different metal foils copper as well as gold both of equal thickness
Calculate this separation for n=100; also calculate the average radius, the geometric cross section, and the ionization energy. Could a thermal collision with another hydrogen atom ionize this Rydberg atom
If the instantaneous initial rate of reaction is 0.000145 M/s, calculate the initial instantaneous rate of change of H2 concentration. In addition, explain the answer using words.
The volumes(45.01,45.05,45.07, and 45.33)ml were used to titrate a 50ml aliquot of a sample. would you reject any values at a 90% confidence interval. how about a 95% confidence interval
Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) = Na2CO3(s) + CO2(gas) + H2O(gas) Given that for this reaction delta H = 135.5 KiloJoules and delta G = 33.1 KiloJoules at 25 degrees C, at what temperature will the reaction b..
Use the folowing data to calculate (a) the molar concentration of B in (i) water, (ii) benzene, (b) the molality of B in (i) water, (ii) benzene.
60.0 mL portion of of 1.70 M solution is diluted to a volume of 288 mili litres. A 144-mili litres portion of that solution is diluted using 115 mLili litres of H2O. Determine the final concentration.
If the charge on the metal remained the same and nitrogen was substituted for oxygen, what would the formula and systemic name for the compound be
Construct a simulated 1H NMR spectrum, including proton integrations, for CH3CHCl2. Drag the appropriate splitting patterns to the approximate chemical shift positions; place the integration values in the small bins above the associated chemical s..
If the titrant has a molarity of 0.2000 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?
A Scientist uses an ultra-high vacuum chamber that has a pressure of 6.5x 10^-12 torr. If the temperature is 298 K, how many molecules are there in 2.0 cm^3? What is the molar volume
1. your expense account allows you to spend $80.00 a day when you are on a trip. If you have a week-long trip to tiny country of Kratvia, where the exchange rate is 3.50 kratvels per dollar, how many kratvels can you spend during the week? (7 ..
The solubility of CO2 in water at 25 degrees celsius and 1 atm is 0.034 mol/L. What is its solubility at a partial pressure in air of 0.00017 atm? Assume that CO2 obeys Henry's Law. Enter your answer in scientific notation.
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