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A sample of gas occupies 10.5 L at 600 torr and 50C. What volume will it occupy at STP?
what are some difference or similarity in the type of inhibition caused by heat, acid or base and heavy metal ions on enzyme activity.
A 25.00 mL sample of NaOH is titrated with 26.14 mL of 0.1750 M HCl(aq). What is the concentration of the NaOH solution
If 1.0 mL of vinegar needs 22.5 mL of 0.195 M NaOH to reach the equivalence point in the titration, what is the molarity of the original vinegar solution?
Alcohols are less volatile than ethers of the same molecular weight, but the two classes of compounds have approximately the same solubility in water because:
The nitro group needs to be taken off as well. I can't seem to find any reference materials on what reagrents can be used. Can you please advise?
What is the percent yield of a reaction in which 216 g phosphorus trichloride reacts with excess water to form 134 g HCl and aqueous phosphorus acid (H3PO3)
A creature moves at a speed of 3.20 furlongs per fortnight (not a very common unit of speed). Given that 1 furlong = 220 yards and 1 fortnight = 14 days
A cylinder contains 975 grams of chloroform, CHCl3, How many atoms of carbon are in the sample? How many atoms of chlorine are in the sample?
A 1.5618-g sample containing sulfate ion was treated with barium chloride reagent, and 0.2321 g of barium sulfate was isolated. Calculate the percentage of sulfate ion in the sample.
Photosynthesis is estimated to produce 330.0 g (dry weight) of plant matter per square meter, 50% of which is carbon. Calculate the total number of grams of carbon "fixed" each year by 1000 square meters.
A soft drink contains 35 mg. of sodium in 315g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
A proton in a linear accelerator has a de Broglie wavelength of 138 pm. what is the speed of the proton?
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