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The equation for the best fit line was y = 5532.6x + 20.19. Using the equation of the best fit line, calculate the heat of vaporization (Hvap) and the normal boiling point (in oC) of this volatile liquid. Remember for this experiment pressure is measured in kPa not atm
(Hint: What is the value of Pvap when a liquid boils at its normal boiling point?)
A mixture of gases collected over water at 14 degrees Celsius has a total pressure of 0.981atm and occupies 55mL. Explain how many grams of water escaped into the vapor state
Would you anticipate the bonding orbital(s) of CH to have more C character or more H character or will they have equal amounts of each. Explain how about the anti-bonding orbital(s). Define your reasoning.
Polonium crystallizes in a simple cubic lattice (the Po atoms are at the lattice points only). If the density of the metal is 9.31 g/cm3, what is the unit cell edge length in pm
The first ionization energy of bismuth is Ei1 = +703 . What is the longest possible wavelength of light that could ionize an atom of bismuth?
The "roasting" of 48.7 g of ZnS at constant pressure gives off 220. kJ of heat. Calculate the DH for this reaction. 2ZnS(s) + 3O2(g) ® 2ZnO(s) + 2SO2(g)
A 0.551 L solution of 1.51 M oxalic acid (Ka1= 6.5e-2 and Ka2 = 6.1e-5) is titrated with 1.85 M KOH. What will the pH of the solution be when 0.8140 L of the KOH has been added
A cylinder of free volume 10ft3 is divided into two compartments by a piston. Originally the piston is at one end and the cylinder contains 2lb of steam at 150C. Air from a supply main at 200lb/in2 and 15C is then admitted slowly via a throttle va..
For the reduction of Iron(III) to Iron(II) by an applied potential starting at +300mV and stepping to a applied potential of -500mV, in a diffusion limited environment with a planar electrode, plot the charging and faradaic currents at 298K
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of Pb(OH)42-(aq) will be: BrO3-(aq) + Pb(OH)42-(aq) --> Br-(aq) + PbO2(s)
in an experiment 23.4g of iron sulphide fes s are added to excess oxygen and 16.5 grams of iron iii oxide fe2o3s are
A sample of oxygen gas is collected over water at 23ºC at a barometric pressure of 751 mmHg (the vapor pressure of water at 23C = 21mmHg). What is the partial pressure of oxygen gas in the sample
What is the dipole moment of a diatomic molecule having a bond length of 156.0 pm and 19 percent ionic character
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