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Which of the following statements is/are correct? a) Water is an example of non-polar solvent. b) Any solution always conatins an electrolyte c) NONE d) A solute is always molecules dissolved in water and cannot be ions. e) any (homogeneouus or hetergeneous) mixture is a solution. A sample of carbon weighs 33.1 grams. How many carbon atoms are there in the sample?
How high will a hot air balloon rise if the temperature inside is maintained at 330 K? Assume that the ambient temperature is 300 K. Assume that the pressure inside and outside are the same, but the density inside is reduced by heating
How much heat is required to heat 2 moles of water from 25 degrees C to its boiling point and then turn it into water vapor
A concentration of 0.5 ppm by volume SO2 in air is harmful to plant life. What is the percent by volume of this concentration
the heat of combustion of c10h18 is -6286 kj/mol. the heat of combustion for c10h8 is -5157kj/mol.
Explain how a compound like eugenol could be seperated from a mixture of other organic compounds that have no significant acidity
A synthetic organic chemist wants to make 100.0 grams of benzoyl chloride C7H5OCl from benzoic acid C7H6O2 in the following reaction.
The volume of an ideal gas in a container is 2.0L. What will the volume of the gas be if the pressure on the container is doubled while the temperature is reduced from 400k to 200k?
Consider the following. You identify a line with a wavelength of 503 nm. Describe how you would go about determining which of the lines in table 1 of the experiment guide that it corresponds to.
A quantity of HI was sealed in a tube, heated to 425C, and held at this temperature until equilibrium is reached. The concentration of HI in the tube at equilibrium was found to be 0.0706 moles/liter
what does it mean to manipulate the solubility of insoluble organic compounds by salt formation
Hydrofluric acid in an aq solution has a molar mass of 20.01g/mol. A chemist dissovles a .2001g sample in 20.0 mL and titrates it
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 86% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 10-12.]
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