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Suppose you have these straight chain alkanes: C5H12, C6H14, C7H16, C8H18 . Which one has the highest boiling point?
A.C7H16
B.C5H12
C.C8H18
D.C6H14
E.all will have the same boiling point
Steam is send to aturbine to generate power. Steam at 50 0C with a quality of 0.9 leaves the turbine which iscondensed in a condenser to re-send the combustion chamber.
Presume that when you plot a series of volumes as a function of temperature, the equation for your line of best-fit is y=0.1444x+43.51. Explain what is the value of T0
compounds are dissolved in 1.00 L of w ater: 0.220 mol HA (K a = 1.36 x 10 - 3 ), 0. 18 mol NaA, 0.0 8 mol H 2 SO 4 , and 0.08 mol KOH . What is the pH of the resulting solution?
Calculate the molarity of a solution made by adding 39.9 mL of concentrated perchloric acid (70.5 % by mass, density 1.67 g/mL) to some water in a volumetric flask, then adding water to the mark to make exactly 2000 mL of solution.
Calculate the feed ratio of adipic acid and hexamethylene diamine that should be employed to obtain a polyamide of approximately 15,000 molecular weight at 99.5% conversion.
If you want to dope GaAs to make an n-type semiconductor with an element to replace Ga, which of the elements below would you pick
how many grams of K2SO4 would you need to prepare 1500g of 5.0% K2SO4 (m/m) solution?
Benzoic acid dissociates in water: C6H5COOH + H2O ==== H+ and C6H5COO- The pKa of this reaction is 4.2. In a 0.53 M solution of benzoic acid, what percentage of the molecules are ionized
The student then adds more water until the solution volume becomes 1.0 L Write the eqn for each large-extent B/L A/B rxn which occurred on making this mixture. Do this by starting with the rxn that involves the strongest B/L A with the strongest B..
What is the concentration of glucose in the original sample? In moles/liter? And in mg%?
Explain how to prepare 0.250 L of a 0.500 M CuSO4 solution. 1. Measure out 0.500 moles of CuSO4 solid 2. Measure out 20.0 g of CuSO4 solid 3. Measure out 0.500 moles of CuSO4 solid and add water until a volume of 1.0 L is reached 4
For the formation of a photchromic imine you use ammonium bromide. Give 2 reasons why you cannot use concentrated HBr.
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