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During an experiment to find molar volume of oxygen, assume that you heated your sample too rapidly, and some of the sample spattered onto the rubber stopper in the test tube. Will your calculated percent KClO3 be too high, too low, or unaffected if you finish the experiment as written? Explain.
In the oxidation of glucose (C6H12O6), water and carbon dioxide are formed when the sugar is reacted with oxygen gas. If 4.39 grams of glucose are reacted, assuming 100% yield, how many moles of carbon dioxide would evolve?
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At0?C, the volume of the gas is 248 mL. To what temperature must the gas be heated to occupy a volume of 479mL.
Calculate concentration of chromate ion (CrO4) in a 0450 M solution of chromic acid (H2CrO4). (for chromic acid, Ka = .18, Ka2 = 3.2 x 10E-7)
How would the process of photosynthesis be affected, and in what steps, if light, CO2 concentration, and/or temperature were altered during photosynthesis
A reaction with the activation energy Ea= 219.00 kJ/mol, has a rate constant k = 2.400 x 101 at 565.00 Kelvin. Determine the rate constant when the temperature is changed to 861.00 Kelvin. R = 8.314 J K-1mol-1
Calculate the difference in the chemical potential of sucrose at 0.01 M and at 0.0001 M concentrations.
Activity of a cation (M+) is 0.0487 mol/liter. Calculate the concentration of the cation if y=0.84. Show work.
Calculate the mean free path and the binary number of collisions per liter per second between HI molecules at 300 K and 1.00 atm. The collision diameter of the HI molecules may be taken to be 5.10 A. Assume ideal-gas behavior.
A particular compound contains, by mass, 41.4 % carbon, 3.47 % hydrogen, and 55.1 % oxygen. A 0.050-mol sample of this compound weighs 5.80 g. What is the molecular formula of this compound
Aspirin that has been stored for a long time may give a vinegar odor and give a purple color with FeCl3, what reaction would cause this to happen
what mass of titanium displaces 65.2 ml of water at 25 circ rm
what is hte mass in mgs of solute in 737 mL of a solution that contains 6.38 ppm of Pb(NO3)2 and please explain work
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