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A balloon contains 2.3 liters of nitrogen gas at a temperature of 77 K and a pressure of 101 kPa. If the temperature of the gas is allowable to increase to 39°C and the pressure remains constant, what volume will the gas occupy?
An unknown gas contains 82.6% C and 17.4% H by mass. It effuses at 0.87 times the rate of CO2 gas under the same conditions. What is the molecular formula of the gas
Predict the fraction of octahedral holes and tetrahedral holes that are filled by the various cations. octahedral holes filled with aluminum ions and tetrahedral holes filled with magnesium ions.
A 50.00 mL sample of the solution (1L of 0.01000M solution requires 2.14g of potassium iodate), mixed with 2 g of potassium iodide and 10.00 mL of H2SO4 , is fully titrated with 38.50 mL of sodium thiosulfate. What is the concentration of the sodi..
calculates the molarity of a calcium carbonate standard solution that contains 0.2430 grams of calcium carbonate
Which of the following is true about an endothermic reaction?
7.480 g of an organic compound is mixed with water to make a 300 ml solution which has an osmotic pressure of 1.43 atm
a technician is plating a faucet with chromium. What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 180 minutes using a constant current of 10.0 amperes
50 mL of 0.1200 M hydroxyacetic acid (pKa = 3.83) are titrated with 0.1280 M KOH. What is the pH after the addition of 48.6 mL of the base
In an airplane, a gas sample occurs at a volume of 1.5 L at 760.0 torr. Suppose, while flying, the airplane loses pressure and the volume of the gas increases to 11.40 L.
A sample of propane,C3H8, contains 11.7 moles of carbon atoms. How many total moles of atoms does the sample contain?
Explain as ionizing radiation Explain what does ionizing radiation due. And is all radiation ionizing
Calculate the concentration of a noncompetitive inhibitor (Ki=2.9 x 10^(-4) M) needed to yield 90% inhibition of an enzyme-catalyzed reaction.
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