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Question- A certain substance has a heat of vaporization of 59.81 kj/mol. At what kelvin temp will the vapor pressure be 4.50 times greater than it was at 315K?
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boron has two stable isotopes with masses of 10.01294 u and 11.00931 u. the average molar mass of boron is 10.81 u.
What is the mechanism of 1-6-diaminohexane/sodium hydroxide with 2% sebacoul chloride (decanedioyl chloride)/hexane?
A free particle of mass m in a one-dimensional box with infinite walls at x=0 and x=L, given by the potential function: V(x)= 0 for x =0 L
Identify the following compound made of H, N, and O described below. Write a Lewis structure that is consistent with the information given.
question what would you expect to happen if you combined 1o.0ml of10ml of 10-2 m acetic acid qand 5.0 ml of10-2 m
One mole of an ideal gas, initially at 30 ºC and 1 bar undergoes the following mechanically reversible changes. It is compressed isothermally to a point such that when it is heated at a constant volume
Which compound remains in the ether and which compound moves to the aqueous NaOH? Provide the chemical reaction that occurred when NaOH was added. Show all lone pair electrons and formal charges. Clearly indicate the difference between an ionic bo..
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 1820 nm
hexane has a normal boiling point of 68.7 c. what is the mole fraction of a nonvolatile solute in a hexane solution
Consider 48.5 mL of a solution of weak acid HA (Ka = 1.00 * 10-6), which has a pH of 4.350. What volume of water must be added to make the pH = 6.000?
A sample of nitrogengas has a volume of 32.4 L at 20 degrees celcius. The gas is heated to 220 degrees celcius at a constant pressure. What is the final volume of nitrogen
Arrange the following solutions by increasing chloride ion molarity. 1 M NaCl, 1 M FeCl3, 5 M NaCl, 1 M CaCl2, 2 M FeCl3, 2 M CaCl2
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