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2 liquids, A and B, have the same molecular weight. Samples of each are placed on temperature probes and allowed to evaporate. After a period of time Liquid A had a change in temp. of 10.2 C while liquid B had a change in temp. of 3.7 C. Now, which of the two liquids required more energy to overcome intermolecular attraction and evaporate?
A bowl of 464 g of water is placed in a microwave oven that puts out 776 watts (J/s). How long would it take in seconds to increase the temperature of the water from 12.0oC to 46.0oC? Use SF.
1g soil has been spiked with 0.1ml of 100 ppm (v/v) trimethylbenzene and subsequently extracted with 250 mL pentane. The extract is then measured with GC-FID.
How many grams of glucose are in 100. rm mL of the final solution?
Compute mole fraction of caffeine(C 8 H 10 N 4 O 2 ), the molarity of the solution
An existing power plant has been found to produce SO2 concentration of 20?g/m3 at a distance of 800m directly downwind from the stack when the wind is 4m/s from the north during a class C stability situation.
A 15.00 mL sample of unknown concentration of sulfuric acid is precititated with excess lead(II) nitrate and a precipitate of lead(II) sulfate is collected.
What is the molar mass of a covalent compound if 0.486 g of it is dissolved in 25.0 mL of water and produces a freezing temperature
indicate whether each are activating or deactivating, and whether each are ortho para or meta directing substituents.
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
Assuming that you could express and purify both components, describe TWO different experimental methodologies (including SALIENT details) that you would conduct to determine whether the two proteins interact in vivo in a mammalian cell line?
Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.
Write a balanced the rmochemical equation for the reaction with an energy term in kJ as part of the equation.
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