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For phenylanaline can be modeled as particle on a ring. Calculate the wavelength of the transition from ground state to the first excited state.
container it was heated to 800K, and at equilibrium the pressure of CO ws found to be .497 atm. Calculate the equilibrium constant Kp for the reaction.
Calculate the density of a sphere that has a circumference of 2.00 inches and weighs 100.0 gms. (c = 2pi r) (V = 4/3pi r^3)
Calculate the molarity of a solution after adding 5mL of tert-butyl chloride to a 100mL volumetric flask and add acetone for a total volume of 100mL.
In a reaction, 82.00 g of sodium reacts with 74.00 g of ferric oxide to form sodium oxide and iron metal. Calculate the mass of solid iron produced
What ions and/or molecules are present in relatively large proportions in a solution of a weak base NH4OH (aq)?
we are doing an analysis of cola lab in my chem I lab. We have to do pre-lab questions and one of them is- how will you use compounds of different colors to determine the relationship between percet transmittance and wavelength? or between absorba..
How much heat is evolved when 9.07 x 105 g of ammonia is produced according to the following equation:
How much heat is absorbed when 28.3g H2O(s) at 0 degrees celcuis is converted to liquid at 0 degrees celcius
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
calculate the mL of MnO4 added to reach the endpoint. (b) calculate moles of MnO4 added to reach the endpoint. (c) calculate the number of moles of H2O2 in sample.
What is the rate constant of a first-order reaction that takes 8.50 minutes for the reactant concentration to drop to half of its initial value?
A hydrogen-filled balloon was ignited and 1.50 gram of hydrogen reacted with 12.0 g of oxygen. How many grams of water vapor were formed?
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