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You have a solution of unknown concentration. You place this solution in your spectrometer and measure that it has an absorbance of 0.8 at 450 nm. The molar absorptivity of your product is 1500 L/moles·cm. Assuming that you are measuring the sample in a 1 cm path length cell what is the concentration of product in your solution? Report your answer in mM units.
A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of 4°C to a final temperature of 65°C. The steam enters the heat exchanger as 50% quality steam and exits as water condensate..
When doing resonance structures (with curved arrows showing the movement of electrons).
What is the balanced, complete net ionic, and net ionic equation for AgNO3 + KIO3
A reaction vessel at 27 degrees C containsa mixture of SO2 (P = 3.10 atm) and 02 (P=1.10 atm). When a catalyst is added to the reaction 2SO^2(g) + O2 (g) = 2SO3 (g) takes place
the solubility of nh3 in water at an nh3 pressure of 320 mmhg is 22.8 g100 ml. what is the solubility of nh3 if the
Which aqueous solution will have the highest total number of moles of ions in the solution. The answer is 100mL 3M calcium nitrate. Why is it not 100mL 4M glucose (C6H12O6), 100mL 1M aluminum fluoride, or 100 mL 2M calcium sulfide. How do you calc..
The element silicon has 3 isotopes with the masses and natural abundances shown in the table. Mass of Isotope Natural abundance 27.97693 92.23 28.97649 4.67 29.97376 3.10 What is the average atomic mass of silicon
Ammonium chloride is used as an electrolyte in dry cells. Which of the following statement about a 0.10 M solution of NH4CL, is correct?
a Oxygen is a common oxidizing agent in nature. What changes in the oxidation number of oxygen must occur if it is to be an oxidizing agent? explain
Calculate the number of moles of bicarbonate and acetic acid in each test tube in the inquiry activity using the following information.assume the density of the vinegar is 1.0g/ml and that the solution is 5% acetic acid.
State reacting showing how nylon can be synthesized thus that it will react with (a) basic dyes and (b) acidic dyes.
The osmotic pressure of this solution was 0.00178 atm at 25 C. Calculate the molar mass of hemoglobin, which is a molecular compound and a nonelectrolyte
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