Calculate what is the molar mass of the solute
Pure benzene has a normal freezing point of 5.5°C. a solution containing 11.4g of a molecular substance dissolved in 150.0g of benzene (Kf=5.12°C/m) has a freezing point of 1.20°C. what is the molar mass of the solute?
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When a pure sample of tert-butyl bromide is analyzed by gas chromatography, two components are usually observed. One of them is tert-butyl bromide, the other one is a decomposition product.
Determine the exit temperature of the helium in degrees celcius. Determine the exergy change of the steam during this process and the maximum work that the steam could have done.
4L of N2 is saturated with water vapor at 22Celsius degree and then compressed to half of its volume What is the partial pressure of H2O in the compressed gasmixture?
Assuming that a cube has a volume of3.7x10-19cm3, calculate the length of each edge of the cube. Enter a number with the correct number of significant figures.
Review of McMurry Section 2.9 shows that an equilibrium between two acids will result in the equilibrium favoring formation of the weaker acid (lower pKa value).
A quantity of1.526g ofphenol(C6H6O) was burned in a constant-volume bomb calorimeter.Consequently, the temperature of the water rose by4.76C.
Would it be possible to use non-metals and their ions to construct one or more of the electrodes or would some modification be required in the experimental stage?
Predict the distance between Si atoms in solid silicon. How does this compare to the distance between C atoms in diamond, Which has the same structure as solid silicon?
Calculate the molecular mass of PABA, a common sunscreen agent. When 8.32g of PABA is dissolved in 150.0g of chloroform, it boils at 62.62 C. The boiling point of pure chloroform is 61.2 C; the boiling point elevation constant of chloroform is 3.6
If 0.701 g of aluminum reacts with an excess of HCl at 25 degrees C and 753 mm Hg, how many mL of hydrogen gas will be produced?
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