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Any number of green plants can photosynthesize glucose (C6H12O6) from carbon dioxide and water, producing oxygen as the remaining product. in an experiment in a biochemistry lab, 500 ml of oxygen was produced in such experiment. the oxygen was collected over water at 27C and at pressure of 786 Torr. the vapor pressure of water at 27 C is approximately mm Hg.
1)what mass of glucose was produced?
2) how many grams of water were used in this biosynthesis?
Calculate the vapor pressure of a solution containing 27.2g of glycerin in 134ml of water at 30.0 C. The vapor pressure of pure water at this temperature is 31.8torr
An oxygen molecule having the average velocity at 300K is released from the earth's surface to travel upward. If it could move without colliding with other moleucules, how high would it go before coming to rest. How high could it go if it had the ..
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures.
What volume of ethylene glycol, C2H6O2, a nonelectrolyte, must be added to 15.0 L of water to produce an antifreeze solution with a freezing point of -30*C? What is the boiling point of the solution?
The molar mass of HCl is 36.5 g/mol, and the average mass per HCl molecule is 36.5 amu. Use the fact that 1 amu = 1.6605 * 10-24g to calculate Avogadro's number.
calcualte the pH at one-half the equivalence pont and at the equivalence point for a titration of 50 mL of 0.100M acetic acid with 0.100M NaOH
if c6h12o6 yields c2h5ohco2 then balance this equation and determine what the percent yield for the reaction isnbspif
What is the concentration of glucose in the original sample? In moles/liter? And in mg%?
Dibenzalacetone is commonly used in sunscreens. Suggest what properties are valuable in a compound for use as a sunscreen.
What mass of MgCl2 in grams must be added to 1.00 kg of water to prouce a solution that boils at 103.0 degrees celsius
At 80 deg. Celsius the vapor pressures of pure liquids X, Y, and Z are 385, 190, and 66 mm Hg, respectively. What pressure must be exerted on the surface of the solution containing one mole of X, three moles of Y, and two moles of Z for boiling to..
What mass of NaOH (s) must be added to 1.0 L of 0.050 M NH3 to ensure that the percent ionization of NH3 is no greater than 0.0010%? Assume no volume change on addition of NaOH. Kb NH3=1.8 x10^-5
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