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What wavelength (in nm) of light must be absorbed by a photon to be excited from the n=2 to the n=4 energy level?
An automobile gasoline tank holds 36 kg of gasoline. When the gasoline burns, 95 kg of oxygen is consumed, and carbon dioxide and water are produced.
During an experiment assume that you used a 0.560g piece of pure aluminum in the synthesis of alum and collected 5.255g of dry alum. what is your percent yield of alum?
Write the balanced net ionic equation for the reaction that occur in the following case. Ba(NO3)2 (aq) + K2SO4(q) Express your answer as a balanced net ionic equation.
Write an Oxidation equation for the left half cell and a reduction equation for the right half cell. Write a balanced equation for the net cell reaction.
Consider an ideal gas with a volume of V1. To what volume would you need to compress the gas to double its pressure?
Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent: (answer in percent) molality
a 4.50 g sample of licl at 25 degrees celsius dissolves in 25.0 ml of water also at 25.0 degrees celsius. the final
Vitamin C contains 40.92% C, 4.58% H, and 54.5% O by mass. What is the empirical formula of Vitamin C
Question- What mass (in grams) of iron(III) oxide contains 47.3g of iron? Iron(III) oxide is 69.94% iron by mass.
what is the molarity of a sulfuric acid solution if 40.2 ml of this solution is required to titrate 6.50 grams of
The Phi ? and Psi ? angles of one alpha carbon located in the center of an alpha helix in myoglobin are -60o and -45o, respectively.
Question- Amides undergo hydrolysis to carboxylic acids on treatment with alkali. Diagram a suitable mechanism for the conversion of benzamide to benzoic acid using sodium hydroxide as the base.
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