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Explain how many orbitals are there in a shell of principal quantum number n? Clue- begin with n = 1, 2, and 3 as well as see if you can recognize the pattern.
The mixture of hot iron and aluminium is dropped into a beaker containing 100 g of water at 15 oC. What is the final temperature of the liquid water
When X amount of moles of glucose are dissolved in 5.60 x 101 mL of solution, the Molarity is 3.47 M. What is X
Carry out the following mathematical operations, and give each result with the correct number of significant figures. (1.05 x10-3)/ (6.135 )
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
2 l of 7 m concentrated hf solution is placed into a 10 lcontainer. the container is sealed and the air is evacuated.
Chlorine has two stable isotopes, 35Cl and 37Cl. If a sample of chlorine has an average molar mass of 35.78764 g/mol, what percent of the sample is composed of the lighter isotope
What are the mole fractions of ethanol and water in a solution prepared by mixing 55 mL of ethanol with 45 mL of water at 25 degrees celsius
1. Write all of the resonance structures for m-bromonitrobenzene. 2. Write all of the resonance structures for o-bromonitrobenzene.
if the average person weighs seventy kilogramsnbsp andnbsp if each alpha particle depositsnbsp of energynbsp of
The rate of the reaction of methyl ethyl acetate with hydroxide to form acetate ion and ethanol as shown in the following reaction, CH3COOC2H5(aq) + OH-(aq) => CH3COO-(aq) + C2H5OH(aq) was measured at several temperatures and the following dat..
The molar mass of cellulose is approximately 6.0 x 105 g/mol and the molar mass of a soluble starch is on the order of 4.0 x 103 g/mol. The monomer unit in both of these molecules has the emperical formula C6H10O5
a 0.0750 m solution of a monoprotic acid is known to be 12.2 ionized. what is ka for the
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