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The melting point of a pure compound is 152-153 C. Describe the melting behavior for this compound if it is contaminated with 5% of an impurity.
The experiment done was the synthesis of p-chlorophenoxyacetic acid. I have lab questions that I am unsure how to do. Please help. 1. How many moles of p-chlorophenoxyacetic acid should form in this reaction?
A solution of 62.4 g of insulin in enough water to make 1.000 L of solution has an osmotic pressure of 0.305 atm at 25°C. Based on these data, what is the molar mass of insulin?
The temoerature rose by 3.65C. Next, a small piece of calcium carbonate was placed in the same calorimeter and .100L of dilute HCl was poured over it.
calculate the moles of CO2 you would theoretically expect from 0.253 grams of an alka-seltzer tablet at 721. torr and 291. K.
What is the pH of the solution created by combining 2.50 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)
Write equations for (a) the hydrolysis of TiCl4 and (b) the neutralization of Ba(OH)2
What are the effects of temperature, molarity, surface area, nature of the reactants, and the presence of a catalyst on the reaction rate of Zn(s)+2HCl(aq)-> ZnCl2(aq)+ H2(g)
How many liters of a 18.0%(m/v) glucose solution would you need to obtain 160 g of glucose
explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
Calculate the mass of pure silver that when heated from 12.0 degrees celcius to 15.2 degrees celcius it required 1.25 kj of energy
he initial rate of reaction of H2O2 -- H2O + 1/2O2 is found to be 1.7*10^-3 M S^-1. Assume that this rate holds for 2 minutes. Start with 165ml of 1.60M H2O2 at t=0. How many milliliters of O2 measured at 24C and 757mmHg
at 75 degrees celsius, a gas has a volume of 3.22 dm^2. What volume will it occupy at 75 k?
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