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Problem- Calculate the effective radiation dosage (in Sieverts) for a 69-kg person who is exposed to 4.9 × 109 particles of alpha radiation. Assume that 81% of the radiation is absorbed, each alpha particle has an energy of 6.7× 10-13 J, and that the RBE of the alpha particles is 15. Note that RBE is sometimes called the quality factor, abbreviated as Q.
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multiple choice questions in nuclear reactions.1. to make nuclear fission more efficient which device is used in a
Draw line-bond structures for C3H6O, include all the constitutional isomers (except those with carbon-carbon double or triple bonds.) for each constitutional isomers
How many joules of energy are necessary to heat the steam from 100.0 degrees Celsius to 114.0 degrees Celsius if the specific heat of steam is 2.01J/g degrees Celsius? Write your answer in 3 significant digits.
one beaker contains pure water and the other beaker contains pure methanol at the same temperature. Which liquid has the higher surface tension and viscosity
A solution is made by combining 10.0mL of 17.5M acetic acid with 5.50g of sodium acetate and diluting to a total volume of 1.50L
If 3.40 mol Ca(NO3)2 reacts with 2.40 mol Li3PO4 to produce 452g LiNO3, find the limiting reactant, theoretical yield (in grams), and percent yield for the reaction.
According to Avogadro's law, how many liters of hydrogen are required to react with 1.9L of oxygen at STP.
State the Henderson Hasselbalch equation for a solution of mehtylamine. Compute the quotient [CH3NH2]/[CH3NH3+] at
Calculate the pH of a solution containing 25.00 mL of 0.12 M formic acid (Ka = 1.7 x 10^-4) to which the following amounts of 0.10 M NaOH have been added
What is the difference between robustness and intermediate precision?
Which solution has highest pH? A. 15 mM formic acid (Ka = 1.77 × 10-4) B. 15 mM Acetic acid (Ka = 1.74 × 10-5) C. 15 mM MES (Ka = 7.06 × 10-7) D. 15 mM NaH2PO4 (Ka = 6.2 × 10-8) E. 15 mM Tris-hydroxymethyl aminomethane (Ka = 8.32 × 10-9)
What is the boiing point for each compound?
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