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The boiling point elevation of a solution consisting of 2.59g of a nonvolvolatile solute in 98.4g of Benzeneis 0.8495 degrees Celsius. What is the molecular weight of the unknown solute?
Methyl salicylate, C8H8O3, the adorous constituent of oil of wintergreen, has a vapor pressure of 1.00 torr at 54.3 degrees celsius and 10.0 torr at 95.3 degrees celcius. What is it's vapor pressure at 25 degrees celcius?
The mass of the piston and the effects of atmospheric pressure acting on the piston are such that a pressure of 500 Kpa is required to to raise it. How much energy must be transferred by heat to the helium, in KJ before the piston starts to rise? ..
calculate the minimum volume of 1.00M HCL required to react completely with 5.00g of Ca ?
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.61 nm. It then gives off a photon having a wavelength of 950 nm. What is the final state of the hydrogen atom
An excess of NaOH is treated with 1.1L of dry HCl gas (measured at STP). What is the weight of NaCl formed?
calculate the amount of heat required to completely sublime 35.0 of solid dry ice at its sublimation temperature. the
A cylinder of propane gas at 25oC has a volume of 32.0 liters. The pressure of the gas in the cylinder is 9 atm. To what temperature (in oC) must the gas be heated to increase the pressure by 2 atm? Assume ideal behavior
Draw a flame ionization detector FID using the following parts: column, flame, hydrogen, air, electrode, current meter
Specify which of the following are oxidation-reduction reactions, and identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced.
What are the fundamental differential equations for the energy properties. List the canonical variable for U, H, A and G and what is ‘entrance work' in flow system
What is the final concentration of copper in the flask b)what is the uncertainty in the value of the copper concentration?
What would be the electron configuration of the elements: 2NaOH(aq) + CuCl2(aq) yields 2NaCl(aq) + Cu(OH)2 (s)
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