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Consider an electron for a hydrogen atom in an excited state. the maximum wavelength of electromagnetic radiation that can completely remove the electron from the H atom is 1460 nm. Determine the initial excite state for the electron (n=?)
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 5.00 kJ·s-1·m-2. If the sunlight consists of photons with an average wavelength of 510.0 nm
determine what volume of 1.0 moll solution of copper monosulfide can be made from 23.9 grams of copper
The streams are labeled as follows: 3 - boiler to turbine 1; 4 - turbine to reheat; 5 - reheat to turbine 2; 6 turbine to condenser; 7 condenser to pump; 8 pump to boiler. Determine the following
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L?1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess, unreacted HCl
Provide calculations and explain how 100 ml of 0.5 M NaCl in 25 mM sodium phosphate buffer, ph 8, will be prepared.
A reaction has a second-order rate law with kr=1.44 dm3 mol-1 s-1. Calculate the time required for the concentration of A to change from 0.460 mol dm-3 to 0.046 mol dm-3.
What is the standard potential, E cell, for this galvanic cell? Express your answer to four significant figures and include the appropriate units.
Given the reaction 6CO2+6H2O-> C6H12O6+6O2. What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
Often reactions of tertiary alcohols or tertiary alkyl halides result in elimination reactions and not substitution reactions
Chemistry Reaction: 2LiOH + CO2 -> Li2CO3 + H2O Is the following equation balanced? Determine the number of atoms for each element in the reactants.
Total heat evolved by the reaction by adding the heats required to raise both the solution and the calorimeter to the maximum temperature. 5). Heat evolved per mole of Mg 6) Change in enthalpy for the following specific reaction. Be sure to indica..
After treatment with trypsin, which cleaves at R and K, there were 3 fragments: two dipeptides and MGAV. What is the sequence of the peptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.
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