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Levsin (hyoscyamine sulfate), used to treat stomach and bladder problems, is available as drops with 0.125 mg Levsin per 1 mL of solution. Write the equality and its corresponding conversion factors, and identify each number as exact or give it's number of significant figures.
for the reaction 2nog2h2g-gtn2g the rate law is ratekno22h2 where the rate constant is 130 m-2s-1. evaluate the rate
Question- Part 1- Suppose two compounds of known identity but with distinctive mass spectra cannot be resolved chromatographically. How could they be individually quantitated by MS as they co-elute from a column.
Alkynes have the general molecular formula CnH2n-2. Thus, when n = 2, the alkyne is C2H2, etc. If an alkyne has a molecular mass between 75 and 85, this alkyne is
you mix 242 grams of NaCl with enough water to form 500 mL of solution. What is the final molarity?
A 24.7 g sample of pure iron at 61°C is dropped into 99 g of water at 25°C. What is the final temperature of the water-iron mixture?
Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)
What would the potential of the iron solution be if it were measured with respect to a saturated silver/silver chloride electrode. With respect to the standard hydrogen electrode
If 12.5 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 22°C and 753 mm Hg?
Calculate the solubility of KBR at 23'C. Assume that the solubility increases by an equal ampunt od degrees between 20'C and 30'C
a gaseous mixture of and contains 34.8 nitrogen by mass. what is the partial pressure of oxygen in the mixture if the
Find the new volume of the gas sample - What is the new volume of the gas sample
If the inital and final volume readings from a buret are 0.27mL and 28.34mL, respectively, what is the volume dispensed from the buret? What is the volume per drop if 574 drops were dispensed
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