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A 45 kg sample of water absorbs 345kj of heat. If the water was initially at 22.1c what is its final temprature?
Some water dissolves in liquid methane at -161 degrees C, the boiling point of liquid methane, to give a solution in which the mole fraction of water is 6*10^-5. Determine the mass of water (in units of grams) dissolved in 115L of this solution if..
give one piece of experimental evidence that more than 1 mole of particles is formed when 1 mole of a salt dissolves in
Be sure to include a concise discussion of the reasoning. Construct tables summarizing the IR and 1H NMR data, and assign the peaks in the IR and NMR spectra to the appropriate structural elements in U. Explain the appearance of the base peak at m..
The patient has a deficiency of argininosuccinate lyase and has very high concentrations of blood glutamine and ammonium ion.
A buffer solution with a pH reading of 8.50 was prepared by mixing 0.25 mole acid (HA) and 0.05 mole NaOH in 500.0mL DI water... how much more grams of NaOH
A student is concentrating a solution having a polypeptide of modest molecular weight by pressure filtration through a membrane. The solute concentration on the feed side of the membrane is 0.10 M and the temperature is twenty five degree celsius.
the thermochemical equation for the combustion of butane is c4h10g 132o2g --gt 4co2g 5h2ol delta h -2877kjwhat is
Estimate the vapor pressure of water a solution containing 30 g of glucose per 500 g of water at 25C, given that the vapor pressure of pure water is 2.338 KPa at the same temperature.
discuss the pros and cons of the various methods of application of solid fertilizers. describe the revelant facets of
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
Simple distillation and Fractional distillation which method is more appropriate for separating the two unknown hydrocarbons
Make a list of the operations you will need to perform in order to display a spectrum of your food dye on the spectrophotometer.
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