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How many ATP can be synthesized (theoretically) when the electrons of CoQH2 are transferred to cytochrome C? Justify quantitatively by first calculating delta G naught prime.
Given that the density of air is 740 torr and 27C is 1.145g/l, calculate the mole fraction and partial pressure of nitrogen and oxygen assuming
A saturated solution of magnesium fluoride , , was prepared by dissolving solid in water. The concentration of ion in the solution was found to be 1.18×10?3
Why does finding a straight line relationship help you to understand the nature of the relationship between transmittance and concentration?
a melting point of 328.0 Celsius degrees, and a heat of fusion of 5.5 kcal/kg. How much heat must be provided to melt a 250.0 kg sample of lead with a temperature of 20.0 Celsius degrees
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted
Calculate the number of collisions required to slow a neutron from an energy of 2.85 MeV to a thermal energy of 0.025 eV, using a moderator with an average logarithmic energy decrement of .955.
A solution is prepared by mixing 0.0300 mol CH2Cl2 and 0.0500 mol of CH2Br2 at 25°C. Assuming the solution is ideal, calculate the composition of the vapor
If it takes 66.8 min for the concentration of a reactant to drop to 20.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?
A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?
Write a balanced chemical equation showing how it acts as an acid toward water. Express your answer as a chemical equation.
A solution of ammonia and water contains 2.70×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution. Enter your answer numerically.
What volume of reduced soy sauce (575 mg Na/15 mL) would be predicted to require 25.00 mL of 1.0 M AgNO3 for titration assuming all the sodium is derived from NaCl? A.W. Na= 23
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