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What would be the percentage of other base if the percentage of adenine in a DNA sample is 20%?
What proportion of 3-phosphoglycerate will carry 14C after five enzymatic turnovers (five equivalents of CO2 are fixed) if purified active
Explain a rigid 8.20 L flask contains a mixture of 2.50 moles of H2, 0.500moles of O2 and sufficient Ar thus that the partial mixture of Ar in the flask is 2.00 atm. The temperature is 127 degrees Celcius.
Problem- Determine the element of lowest atomic number that contains a complete d subshell in the ground state.
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes.
Determine the rate constant for each of the following first-order reactions. In each case, write the rate law for the rate of loss of A. a) 2 A B + C
a chemical reaction release 1240 J of energy. the energy is all absorbed by water (423 g) containing the reactants. if water was initially at 19.6 degrees, what will be it final temperature
The enthalpy of formation of methanethiol CH3SH (g) is -22.9 KJ/mol. Methanethiol can be synthesized by the reaction of gaseous methanol and H2S. Water vapor is another product.
What is the order with respect to each reactant for the following reactions. A) r=[a]2[b] b)r=k c) r=k[a]2
An uncovered cup (1/2 pint) of trichloroethane (d=1.325 g/mL) is kept in an 18-ft3 refrigerator at 39 F. What percentage (by mass) of trichloroethane is left as a liquid when equilibrium is established
Define Protons can be accelerated to speeds near that of light in particle accelerators. Approximate the wavelength in (nm) of such a proton moving at 2.90x10^8 m/s(mass of proton=1.673x10^-27 kg)
Gaseous oxygen is held in two separate containers at identical temperature and pressure. The volume of container A is 6.48 L and it contains 0.785 mol of the gas. The volume of container B id 5.78 L. How many moles of the gas are in container B
1.a sample of hydrogen gas h2 is in a 2.98 l container at 708 torr and 19 oc. express the pressure of hydrogen in atm
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