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Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed, each alpha particle has an energy of 6.0× 10-13 J, and that the RBE of the alpha particles is 15. Note that RBE is sometimes abbreviated as Q.
If 30.00 mL of 0.500 M HCl is used to neutralize 10.00 mL of KOH, what is the concentration of the base?
The book wants to know what the ground-state electron configuration should be for Ag+. I understand that if you have a positive ion, that it is losing an electron, so the ground state would reflect Palladium.
What is the osmotic pressure of a solution made from dissolving 50.0g of glucose rm C6H12 O6 in 250mL of water at 36.0 C
Eugenol can also be isolated from cloves using extraction with CO2. discuss the advantages and disadvantages of distillation versus CO2 extraction.
The chlorinator feed rate is 4.0 mg/L and the free chlorine residual is 1.5 mg/L. (a) What is the chlorine demand (mg/L)? (b) How many kg of chlorine must be fed to the plant on a daily basis?
What type of bonding between amino acid residues is most important in holding a protein and polypeptide in a specific secondary configuration?
A 1.20 sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 735mmHg .
the heat formation of Al2O3(s) is delta H final is -1669 kj/mol. calculate the heat evolved when 0.267 g of Al burns in oxygen
From the restrictions on the three quantum numbers that define an orbital, which set of three quantum numbers listed below is forbidden:
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions. 1. Show half reactions 2. Balance and gain electrons 3. Write overall reaction of each
A solution contains 2.0×10-4 M Ag+ and 3.6×10-2 M CO32-. Determine Qsp for Ag2CO3. Will Ag2CO3(s) precipitate? [Ksp for Ag2CO3 is 8.1×10-12]
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