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Problem- An acceptable (reliable) range of %T readings is 10%-90%. Suppose your starting copper solution was too concentrated to give a reliable reading on the spectrophotometer. Would it give a reading that was too high or too low (compared with the acceptable range of %T values)? Describe a way to correct this problem without dissolving a new piece of copper wire.
Explain each and every step in detail. I need proficient help in the above problems.
What is the pH of a solution that contains 0.15 M HC2H3O2 and 0.28 M C2H3O2-. Use Kb = 5.6 x 10-10, for C2H3O2-. pH =
If the O2 was the excess reagent, 8.3 mol of H2S were consumed, and 137.1g of water were collected after the reaction has gone to complain, what is the percent yield of the reaction?
The rate expression for a particular reaction is rate=k[A][B]^2. If the initial concentration of B is increased from 0.1M to 0.3M, the initial rate will increase by which of the following factors
Compare solutions 2 and 4. How does the common-ion effect influence the pH of solution 4. Please explain fully, and calculate the expected pH of each of these solutions.
Which group has the highest rank when precedence is assigned according to the Cahn-Ingold-Prelog system. a) -CH2(CH2)10CH3 b) -CH9CH3)2 c) -C(CH3)3 d) -CH2Cl e) -CH2(CH2)10Cl
When done in batch mode, industrial scale reations reactants are commonly heated in the reaction vessel until kinetic calculations indicate the 99% of the reactants have been consumed. In the esterification reaction of methanol with acetic acid th..
how many grams of potassium permanganate are needed to decolorize 1 gram of 2-pentene in basic solution?
Suppose that the microwave radiation has a wavelength of 10.7 cm. How many photons are required to heat 200. mL of coffee from 25°C to 65°C?
Find the mathematical relationship that relates energy of a photon emitted as an electron relaxes from a higher energy level to a lower energy level in a hydrogen atom. Use this equation to calculate the wavelength of the photon emitted in units o..
multiply this new K value for reaction 3 by the k value for reaction 2 to "add" the k values together in order to determine the K value of reaction 1.. From the K value of reaction 1, i converted it to E standard. would this be the correct way to ..
A sample of oxygen gas is collected over water at 25 degrees C and a total pressure of 637 torr. The volume of the gas collected is 500.0 mL. What mass of oxygen is collected? The vapor pressure of water at 25 degress C is 23.8 torr.
Compute the osmotic pressure generated at 298K if a cell with a total solute concentration of 0.50 mol/L is immersed in pure water. The cell wall is permeable to water molecules however not to the solute molecules.
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