The energy released from fission is about 200 MeV per fission event or3.2-10-11 J per 235U nucleus. The fission of 1 g of 235U generates about 1 MW of thermalpower; thus, a reactor that contains 1 kg of 235U fuel generates about 1 GW (109 W).If the reactor core is immersed in a heat bath containing 8.7.105 liters of water (12 m x6 m x 12 m) initially at 25°C, how long will it take for the water to begin to boil off?Assume that the heat capacity of water is constant and that there is no heat lost fromthe reactor coolant to the surroundings.

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Answered: The energy released from fission is…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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OUESTONETZ Patient 1 received an accidental radiation dose of 0.343 J/kg from slow neutrons with RBE = 4.31. Patient 2 was exposed to a beam of protons with RBE = 5.14 and received the same equivalent dose as the Patient 1. What is the radiation dose from protons received by Patient 2 (in J/kg)?
If you measured the rate of reaction at 20°C to be 1.11 x 10-5 M/s when using 0.080 M I1- and 0.040 M S2O82-. Approximately how long will the reaction take if you were to increase the temperature to 30 °C?
A 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g of water from 23.4 degree C to 87.4 degree C. How many minutes will be required to heat the water if all of the energy generated from the decay is used to heat the water?
At what concentration of S(expressed as a multiple of KM) will νo=0.95Vmax?
Combustion of a fuel sample in a bomb calorimeter increases the temperature of the entire system by 5.10 °C if the calorimeter contains 1700 g of water, but only by 4.00 °C if the calorimeter contains 2200 g of water. What is the heat capacity of the dry bomb calorimeter assembly? Assume that the specific heat capacity of water is 4.18 J g–1 °C–1.
Calculate the change in molar entropy of the system associated with transforming a supercooled water at -10 degree Celsius into ice at the same temperature. The molar heat capacity at constant pressure of liquid water and ice are 75.3 and 36.8 J/K.mol, respectively. Also, the molar heat of fusion and vaporization are 75.3 and 36.8 J/K.mol, respectively.
A 1.23 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The calorimeter, which alone had a heat capacity of 2.67 kJ/°C, CONTAINED 745 G OF WATER. The temperature of the calorimeter and its contents increased from 23.77 °C to 27.95 °C. What is ΔH (in kJ) for the combustion of 1.00 mol of acetic acid is 60 g/mol.
A reaction at 23°C has ∆G = 1 kJ mol–¹. Why might this reaction become spontaneous at 37°C?
Po-210 is an alpha emitter with a half-life of 138 days. Howmany grams of Po-210 remain after 552 days if the sampleinitially contained 5.80 g of Po-210?
Write the nuclear equation for the positron decay of C-11.
Find the approximate radiation dose (in mSv) for 0.1 Gy exposure to thermal neutrons. (Hint: relative biological effectiveness for various types of radiation can be found in Table 32.2 in the text.) A range of answers is acceptable.
Solution A is 20 degrees celsius, Solution B is 80 degrees celsius (both are the same kind of solution). The goal is to make a 50 degree celsius solution; How much of solution A do you need (starting with 100g of solution B)? (cp=4.184 J/g C)

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The energy released from fission is about 200 MeV per fission event or 3.2-10-11 J per 235U nucleus. The fission of 1g of 235U generates about 1 MW of thermal power; thus, a reactor that contains 1 kg of 235U fuel generates about 1 GW (10° W).