kanishk

Suppose you have a solution containing 100 grams of solute A and 200 grams of solute B in a total volume of 1000 milliliters of solution. Calculate the molar concentration of each solute and the molality of the solution. Also, calculate the freezing point depression of the solution.

A.For the reaction 2 A + 3 B --->4 C + 5 D, the rate of the reaction in terms of /_\[D] would be written as __________________________________________.

B.The isomerization reaction of cyclopropane to propene at 500°C follows first-order kinetics with a rate constant of 6.70 x10^4 s^-1. Suppose pure cyclopropane is allowed to react for 5.00 minutes, and 0.26 grams of propene are produced. How many grams of cyclopropane were present at t = 0?

What is the theoretical yield of product obtained in the reaction of 3 moles of propene with excess amount of hydrogen gas, using a Pt-Al2O3 catalyst at 343K, given the following balanced equation:

C3H6 + H2 --> C3H8

The reaction is known to follow first order kinetics with rate constant of 0.025 L/mol*s at 343K. What will be the conversion of propene after 15 minutes of reaction time and what will be the corresponding yield of product propane?

Let f(x) be a real valued function defined on the interval [0, 1] such that f(0) = 0 and f(1) = 1. Prove that there exists a point c in the interval (0, 1) such that f(c) = c. (This statement is known as the "Intermediate Value Theorem").

How does the efficient market hypothesis (EMH) impact portfolio management and investment strategy?

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In a formal expository paragraph of approximately 230 words, support this statement:

The lives of teenagers today are more difficult then the lives of teenagers 60 years ago.

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