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A fixed quantity of gas at 21 exhibits a pressure of 730 and occupies a volume of 4.40. Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.85 while the temperature is held constant.
calculate how much more quickly 235 ^UF6 effuses than 238 ^UF6. give the answers as the ration of rates of 235 ^UF6 to 238 ^UF6 to four decimal places.
A bag of potato chips contains 580 mL of air at 25°C and a pressure of 755 mm Hg. Assuming the bag does not break, what will be its volume at the top of a mountain
Suppose a 5.00 L sample of O2 at a given temperature and pressure contains 2.73 × 1023 molecules. How many molecules would be contained in 5.00 L H2 at the same temperature and pressure.
Hemoglobin is the protein that transports O2through the blood from the lungs to the rest of the body. In doing so, each molecule of hemoglobin combines with four molecules
A gaseous mixture of O2 and Kr has a density of 1.111 g/L at 420. torr and 300. K. What is the mole percent O2 in the mixture?
Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
Comment of the fact that erythro-2,3-dibromo-3-phenylpropanoic acid undergoes elimination by an E1 pathway in water solvent, but by and E2 pathway when acetone is used as the solvent.
Describe the expected results of the following tests or reagents on the sphingolipid N-palmitoyl-D-sphingomyelin
Calculate the pH of a solution formed by mixing 65-mL of 0.22M NaHCO3 with 75-mL of 0.15M Na2CO3.
A solution of 120 mL of 0.150 M KOH is mixed with a solution of 280 mL of 0.250 M NiSO4. How many grams of the precipitate can be formed?
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
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