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1.49 (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?
calculate the concentration of an naoh solution if 25.0ml of the solution is needed to neutralize 17.5ml of a 0.419m
Explain what is the purpose of washing the ether layer in separatory funnel with saturated aqueous sodium chloride in the synthesis of triphenylmethanol
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
To simulate blood conditions a phosphate buffer system with a pH = 7.4 is desired. Explain what mass of Na2HPO4 must be added to 1.5L of 0.4 M NaH2PO4 (aq) to prepare such a buffer
A certain hybrid has a mileage rating of 49 miles per gallon. if the car makes a trip of 263 miles, how many gallons of gasoline will be used? Show work please, it would be appreciated
Explain the relative trends in acidities of the compounds of the formula HXOn for compounds with identical central atoms, X, but differing values of n
Methanol burns in oxygen to form carbon dioxide and water. 2CH3OH+3O2=2CO2+4H2O. Calculate the rxn of delta H, G & S at 25C
A 68.0 mL solution of 0.500 M Cd(NO3)2 is prepared. What mass of NaOH is needed to precipitate the Cd2+ ions from this solution?
The land area of Greenland is 840,000 mi2 with 132,000 mi2 free of ice. The average thickness of ice is 5000 ft. The density of the ice is 0.917 g/ml. Calculate the mass of ice in tons
it says that isothiocyanatech3ncss carbon atom actively responses to material that has nonbonding electronsuch as oh-.
curved arrows to symbolize the flow of electrons, white the stepwise mechanism for the acid-catalyzed esterification of p-aminobenzoic acid to ethyl p-aminobenzoate
Calcium nitrate are mixed with 15.0 mL of 0.300 M potassium hydroxide, how many moles of calcium hydroxide will be expected to be made?
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