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An automobile gasoline tank holds 21kg of gasoline,when the gasoline burns, 84kg of oxygen is consumed, and carbon dioxide and water is produced. What is the total combined mass of carbon dioxide an
Calculate the amount of N2 gas released (in liters at 37 degrees celsius 1 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.8 atm.
If a reaction mixture contains only N2O and NO2 at partial pressures of 1.0 atm each, the reaction will be spontaneous until some NO forms in the mixture. What maximum partial pressure of NO builds
What is the largest alkane (number of carbons) that can be named not exceeding "decane" as a parent? Where is the primary How many What family. I.e. what Where and what carbons? Is the primary functio
Use the reaction shown to calculate the mass of solid ammonium nitrate that must be used to obtain 0.200 L of dinitrogen oxide gas at STP.
The most common source of copper (rm Cu) is the mineral chalcopyrite (rm CuFeS_2). How many kilograms of chalcopyrite must be mined to obtain 200. g of pure rm Cu?
When 1.2563 g of an organic iron compound containing, Fe, C, H and O was burned in O2, 2.2398 g of CO2 and 0.67249 g of H2O were produced. What is the mass percent of hydrogen in the compound?
A zero-order reaction has a constant rate of 4.00×10-4 . If after 40.0 seconds the concentration has dropped to 9.00×10-2 , what was the initial concentration?
What would happen to the pressure inside the container if you decrease the temperature to one fourth the original temperature while holding the volume and number of moles constant?
A scientist wishes to compress 50.0 ml of ammonia gas at normal atmospheric pressure to a volume of 1.0 ml. What pressure in atmospheres is necessary?
If, in a certain experiment, over a specific time period, 0.0027 mol PH3 is consumed in a 1.8-L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?
A solution of ethanol in water is prepared by dissolving 75.0 mL of ethanol (density= 0.79g/cm^3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
Watch for stereochemical implications. Doing the mechanisms would be good practice, too. Question Application of Markovnikov"sRule to the following reaction suggests that a mixture is obtained, but in
Using the average initial pH of your acetic acid solutions, and the average molarity of those solutions, calculate a value of Ka for acetic acid. when initial pH is 2.63 and average molarity is 0.06
Calculate delta Hrxn for the combustion of octane(C8H18), a component of gasoline, by using average bond energies.
A student placed 12.0 g of glucose (rm C_6H_{12}O_6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-rm mL mark on
Surface molecules have fewer molecules to interact with than the inner molecules. Values depend on size and intermolecular force strength.
What is the function/purpose of the bromthymol blue in the CO2 experiment?
Solid silicon and solid magnesium chloride form when silicon trichloride gas reacts with magnesium metal. Write a word equation and an unbalanced formula equation.
Use the Cahn-Ingold-Prelog sequence rules to differentiate between E- (Epposite) and Z- (Zame Zide) olefins. Differentiate between cis- and trans-disubstituted alkenes.
What is the maximum number of electrons that can be accommodated in (a) all the 5g orbitals, 8. (b) all the 6f orbitals, and (c) all the 7s orbitals?
What fragmentation mechanisms might be responsible for these losses? B. What other (lower-mass) fragment peaks can you explain simply?
Hydrogen bonding is found in situations represented by D-H---A where both the donor atom, D, and the acceptor atom, A, are one of the highly electronegative elements O, N, or F. NH2Cl falls into this
What is the final temperature of the solution? Assume that the specific heats of both pure H2O and the solution are the same, 4.18J/(k*g).
What mass of silver chloride can be prepared by the reaction of 130.0 mL of 0.15 M silver nitrate with 190.0 mL of 0.30 M calcium chloride?