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Calculate the new volume in STP when a 0.985 gram sample of gas occupies a volume of 145.0ml at 100degrees C and 750 mm Hg.
Determine an approximate heat of reaction for the combustion of one mole of methane gas (CH4) to form gaseous CO2 and H2O. What Volume (in L) of methane is required to form the 2868 kJ of heat for met
A bag of Hershey's Kisses contains the following information: Serving size- 9 pieces (41 grams), Calories perserving-230, Total fat per serving-13 grams.
Discuss why magnesium has a first ionization energy higher than that of aluminum even though, generally, ionization energies increase from left to right in the periodic table.
Determine the total solids in the sample; express total solids in units of g/kg sample (parts per thousand, ppt). Assume the density of the river water to be 1.01 g/mol.
Determine how many food molecules would it need to process the same amount of energy it would using anaerobic cellular respiration when a eukaryotic cell is doing anaerobic respiration.
A sample of a white solid which is having 250.0-gram known to be a mixture of BaCl2, KNO3, and NaCl. When100.0 g of this mixture is dissolved in the water and allowed to react with excess
If you were to count carbon atoms at a rate of two per second, explain how long would it take you to count a pile of atoms large enough to weigh? The best balances commonly found in laboratories ca
Determine the ratio of the original volume to the final volume, when the pressure and amount of gas remain unchanged and the Celsius temperature is doubled when A sample of CO2 gas at 22 degrees C
Estimate the blackbody radiation and how does it describe the wave nature of light? Find out the photoelectric effect and how does it help describe the particle nature of light?
If 50.00mL of 0.020M AgNO3 is mixed with 150.00mL of 0.0250 M Na3PO4, determine the concentration, in mg/mL, of Ag + and PO3^ -3 which will remain in the solution. Will a precipitate be formed? If a
Estimate the value of the equilibrium constant for the following reaction if an equilibrium mixture contains 0.010 mol of solid PbI2, and is 0.0100 M in Pb2+ ions and 0.00081 M inI1- ions.
How do you determine the concentration of oxygen in the sample using henrys' law in an air saturated sample of [Ru (phen)3]2+. The henrys' law constant I have is 3.27 x10^7 torr = 43026.2atm. The p
At 580 degrees C the benzene vapor is cooled and converted to a liquid at 25 degrees C in a continuous condenser. The condensate is drained into the 1.75 meters cubed drums, each of which takes 2 mi
Determine the mass of carbon that can be obtained from 65.3 g of the compound from the formula for calcium acetate, Ca (C2H3O2)2.
Describe how many grams of aluminum are in 25.0g of aluminum oxide (Al2O3)?Determine how many grams of iron are in 21.6g of iron (III) oxide (Fe2O3)?
Fourteen seconds later, the rocket's parachute opens, and the (downward) velocity slows linearly to -18ft/s in 5 s. A model rocket is fired vertically upward from rest.
Estimate the heat (in KJ) of a reaction when 10g of aluminum metal reacts with iron (III) oxide in the reaction shown below?
Determine the stereo chemical configuration of the enantiomer of (3S, 4S)-3-chloro-4thyloctane? Give the stereo chemical configuration of a diastereomer of (3S, 4S)-3-chloro-4-ethyloctane. (no stru
A buffer is prepared by dissolving the 47.13g of Na2C6H4NO2 (NaNic) in the 1.25 L of solution of 0.295 M of HC6H4NO2
What will be the concentration of iron in this new solution when the 5.00 ml of a solution containing 4.00 x 10-2M iron is placed in a 100.0 ml volumetric flask and filled to the mark with deionized w
Determine the rotational contribution Srot to the standard to the standard molar entropy ofN2 (g) @ 298.15K. The equilibrium bond length of N2is 1.0976 angstrom. The molar mass of nitrogen i
What can we predict about a) the physical properties and b) the chemical properties of these other organic compounds that are present in clove oil in addition to eugenic when the Clove oil is produc
Explain why is the reaction of alkenes with HCl (a rapid, simple reaction) NOT useful as a characterization reaction, but reaction w/ Br2 is a good characterization reaction?
Discuss the difference between solubility and solubility product. Write down the chemical equation for the dissolution, and the expression for the solubility product for each of the following: