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At what pressure should the tank be operated? Discuss what will be the composition of the vapor stream? Assume that the vapor is an ideal gas.
Explain will the [Fe+3] equilibrium concentration be determined to be too high or too low. Will the measured Kc be to high or too low.
What experiment could you do, what data would you collect, and how would you analyze the data to ensure that 447nm is the "best" for measuring the absorbance of FeNCS2+ in this experiment?
Determine the work done if a gas is compressed from 8.8 L to 3.3 L at constant temperature by a constant pressure of 2.7 atm, and give the answer in units of joules. (1 L· atm = 101.3 J)
Given that the mass of 1 mole of deuterium is 2.01410 g, and the mass of one mole of helium is4.00260 g, determine the number of moles of deuterium required to heat the swimming pool from 12.00 degr
Determine the weight of benzene co distilled with each gram of water and the percentage composition of the vapor formed during the steam distillation.
The following solutions were then prepared by dilution. A stock solution containing Mn+2 ions were prepared by dissolving1.584 g pure manganese metal in nitric acid and diluting to a final volume of
Calculate the molecular shape for the following compounds. Indicate the bond angles around the central atom. Are these molecules polar or non-polar?
Calculate the molecular shape for the following compounds. Indicate the bond angles around the central atom. Are these molecules polar or non-polar? SO32-
Calculate the major organic product acquired from the reaction of methylenecyclohexane with the O3 followed by(CH3)2S?
Discuss how long will it take for 1.0 L Cl2 gas to effuse under the identical conditions? It took 4.5 minutes for 1.0 L helium to effuse through a porous barrier.
Calculate the molar volume of N2 at 298.15 K and 100kPa. You may not use PV=nRT when the 0.5008g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of N2 gas formed is 178mL.
Determine the numbers of grams of Pb(NO3)2 would you require to add to 75 mL of a 2.5 M H2SO4solution to precipitate out all of theSO4-2?
How is it possible for a molecule to have bond moments and yet be nonpolar? body {padding:0;margin:0;}Determine the relationship between the dipole moment and the bond moment?
Determine the numbers of grams of KOH must be added to 0.500 L of buffer to change the pH by 0.15 units.
At 21.5oC when 40.0 mL of 0.200 M HCl is added to the 40.0mL of 0.200 M NaOH also at 21.5oC in a coffee-cup calorimeter, the temperature of the resulting solution rises to22.8oC.
Liquid octane (C8H18), (density = 0.702 g/mL) can be used as a fuel. The heat of combustion of octane is -5.45 x 103 kJ/mol. Explain how much heat energy in MJ will be released by the combus
At a temperature of 26.20 C a sample of nickel weighing 425 grams was initially. It needed the 975 Joules of heat energy to increase the temperature to 31.55 C. Calculate the specific heat of the n
Calculate the molar mass of a gas which has a density of 5.75g/L at 25.0 C and 1.00 atm pressure and demonstrate the formula of the molar gas.
Determine the numbers of moles of O2 (molar mass=32.00g/mol) are required to react totally with the 52.0 L of CH4 (g) at STP to form CO2 and H2O? (Molar mass of CH4-16.04g/mol)
Would this be true because at boiling point the liquid is in dynamic equilibrium with the pressure of the atmosphere? The two liquids have identical vapor pressures at their normal boiling points.
What mass of ammonia is in the container if a 250.0 mL sample of ammonia, NH3(g), exerts a pressure of 833 torr at 42.4 degree C.
Explain what properties do all the silicates have in common and also determine what differences might there be differences?
Which substance is more likely a polar molecule? Explain in detail when substance A is composed of small molecules and boils at 100 degrees Celsius and substance B is composed of molecules but it b
Discuss is an electron ever even momentarily found among the first and second levels of energy? Explain your answer based on the wave properties of electrons.