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To find the volume of a flask, it is first evacuated so it contains no gas. Next, 2.2 g CO2 is introduced into the flask. On warming to 33 °C, the gas exerts a pressure of 760.0 mm Hg. What is the volume of the flask in milliliters?
A restriction enzyme has a recognition seuence between G and C in a palindrome. Show the products of the followling double stranded DNA upon treatment with the enzyme
If 5 moles of propane and 10 moles of oxygen are sealed in a container and burned, which reactant will be the limiting reactant, and how many moles of carbon dioxide will be produced?
Formalin is an aqueous solution of formaldehyde, HCHO, used as a preservative. How many grams of formaldehyde must be used to prepare 2.5 L of 12.3 M solution
Calculate the pH of a solution made by adding 14.0 g of sodium formate, NaHCOO, to 100. mL of 0.79 M formic acid, HCOOH.
For the reaction PCl5-> PCl3+Cl2 kp= 26.03 at 800K. calculate the equilibrium partial pressure for the reactant and product if the initial pressures are PPCl5= .54 atm and PPCl3= .37 atm.
converted completely to FeNCS 2+ when the calibration curve was prepared, would this raise or lower the value of Keq? explain?
Which of the following is a use for nuclear energy?
A 1.678 g sample of a component of the light petroleum distillate called naphtha is found to yield 5.143 g CO2 (g) and 2.456 g H2O (l) on complete combustion. This particular compound is also found to be an alkane with one methyl group attached to..
mixture of the same bromoalkanes, and they both undergo hydroboration/oxidation to give a mixture of the same alcohols. Determine What is the structure of B?
Assume a specific heat of 4.18 J/(g·°C) for the solution, an initial temperature of 25.0°C, and no heat transfer between the cold pack and the environment
How Many minutes will it take to plate out 4.56 g of Ni metal from a solution of Ni^+2 using current of 45.5 amps in an electrolytic cell
what is the molarity of a solution prepared using the given amount of solute and total volume of solution.
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