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Joe Schmoe mixed peroxide with yeast to generate oxygen gas and collected the gas in a graduated cylinder, using the same set up as was used in Experiment 11. He collected the following data:
Water vapor pressure at 25°C: 23.8 mmHgBarometric pressure at 25°C: 756.0 mmHgComposition of air: 79% N2, 20% O2, 1% Other.What is the pressure of O2 collected inside the graduated cylinder?AnswerA. 578.4 mmHgB. 151.2 mmHgC. 732.2 mmHgD. 146.4 mmHgE. 597.2 mmHg
A 20.00mL sample of H3Y was titrated with 0.1000 M NaOH. The first equivalence point was reached after the addition of 14.98mL of base. The second equivalence point was reached after the addition of 30.03mL.
What is the volume of a sample of chlorine gas with a density of 0.0032 g/cm3 and a mass of 1.45 g?
Two moles of a monoatomic gas are contained atpressure 1 atm and teperature 300 k. 34, 166 joules of heat are transfered to the gas as a result the gas expands and does work on the surroundings of 1214 joules.
how many moles of excess reactant are present when 2.90*10^2 ml of .182 M sulfuric acid reacts with .423 L of .170 M sodium hydroxide to form water and aqueous sodium sulfate?
Would a buffer containing HF and F- in appreciable quantity be expected to have a pH of around 3,5,7 or 9? Justify your answer.
Calculate the wavelength at which they are broadcasting.
What is the solubility of AgCl when it is in a solution of 0.15 M NaCl? (AgCl has Ksp = 1.8 x 10-10.) Make a reaction table. Include rows for initial concentration, change in concentration, and equilibrium concentration.
Why or Why not and provide cathode-anode half reactions? How fast is the corrosion occurring?Do we have enough information to answer this question? If not, what additional information is needed?
Draw a planar structure for the following compound using dashed or solid wedges to show the stereochemistry of the substituent groups. To be graded properly
What is the mole fraction of solute and the molal concentration for an aqueous solution
What tripeptide would be synthesized from the informational strand of DNA with the sequence 5' GTATCCAGT?
There is an integral membrane protein that symports an alanine and 2 Na+ ions from the plasma into the cytosol of the liver cell. What is the free energy of symporting alanine and 2 Na+ from the plasma into the cytosol of the liver cell?
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