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(a) How many liters of wine can be held in a wine barrel whose capacity is 31 gal?
(b) The recommended adult dose of Elixophyllin ®, a drug used to treat asthma, is6 mg/kg of body mass Calculate the dose in milligrams for a 185-lb person.
(c) If an automobile is able to travel 400 km on 47.3 L of gasoline, what is the gas mileage in miles per gallon?
(d) A pound of coffee beans yields 50 cups of coffee . (4 cups = 1 qt) How many milliliters of coffee can be obtained from 1 g of coffee beans?
A reversible adiabatic expansion of NO2 (g) from an initial V=20dm^3 and an initial T=300K to a final P=1bar. Find Vf, Tf, and the change in entropy for both the system and surroundings.
If it is possible draw the Structural Isomers, Geometric Isomers and Optical Isomers for CHFBrI and NFClBr
1.girl a dilutes 10 ml stock solution to a final volume of 20 ml. girl b dilutes 10 ml stock solution to a final volume
Calculate the degree of dissociation (he fraction of molecules dissociated) for the acid in this solution. (You may assume that the mean ionic activity coefficient has a value of 1). (c) From the degree of dissociation, determine the acidity const..
A 2.00 L glass soda bottle filled only with air is tightly capped at 24 C and 744.0mmHg. If the bottle is placed in water at 75C what is the pressure in the bottle?
Which of the following is considered a model for enzyme action? A. Lock and Key model B. Enzyme interaction model
A hydrocarbon is a compound that contains mostly carbon and hydrogen. Compute the percent composition by mass of the following hydrocarbon C 5 H12.
at equilibrium, it was found that the concentrations were: .0584M for H2, .0195M for N2 and .430M for NH3. What was the initial concentration of ammonia
What volume of 5.00x10^-3 M HNO3 is needed to titrate 80.00 mL of 5.00x10^-3 Ca(OH)2 to the equivalence point
The rate expression for a particular reaction is rate=k[A][B]^2. If the initial concentration of B is increased from 0.1M to 0.3M, the initial rate will increase by which of the following factors
The acid-dissociation constant for hypochlorous acid (HClO) is 3.0x10^-8 A)Calculate the concentration of H30+at equilibrium if the initial concentration of HClO is 9.0×10-3
35.0mL of a solution of the monoprotic acid, formic acid (HCOOH), was titrated with 0.100 M NaOH and required 27.0 mL of the base to reach the equivlance point (end-point). How many moles of formic acid were present in the formic acid solution?
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