Explain a molar absorbance coefficient

Assignment Help Chemistry
Reference no: EM13274016

that concentration (g / ml) should be prepared with a substance weight of 200g/mol melocular to give an absorbance of 0.8? Assume that the substance has a molar absorbance coefficient of 16,000 and that the cell has a light path length of 1 cm.

Reference no: EM13274016

Questions Cloud

Determine the new angular speed of the system : A student stands on a platform that is rotating without friction at 1.2 rev/s. His arms are outstretched and he holds a brick in each hand. what is the new angular speed of the system
What is the pole location for the amplifier with a gain : Compare the Bandwidths of Two Inverting Amplifiers a) Use Signal Express to measure the 3 dB bandwidth for the inverting amplifier with a gain of -10 and for an inverting amplifier with a gain of -50. b) How does the bandwidth change with gain
Estimate the maximum speed of the mass : A spring is hanging from the ceiling. Attaching a 440gg mass to the spring causes it to stretch 18.0cmcm in order to come to equilibrium. What is the maximum speed of the mass
Explain the degree of unsaturation of an organic compound : Determine the degree of unsaturation of an organic compound with the molecular formula C7H6O2. interpret the value found in term of functional group of the compound.
Explain a molar absorbance coefficient : That concentration (g / ml) should be prepared with a substance weight of 200g/mol melocular to give an absorbance of 0.8? Assume that the substance has a molar absorbance coefficient of 16,000 and that the cell has a light path length of 1 cm.
What impedance in parallel with capcitor will absorb power : A voltage source 100(angle 0 degrees) is in series with a 200 ohm resistor and a cpacitive reactance of -100 ohms. a) What impedance,Zl, in parallel with the capcitor would absorb maximum AVERAGE power
Calculate how long is the lamp chain : It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude, How long is the lamp chain?
What are the firms earning per : The board of Patto Co decides to pay 0.03 shares of stock to the holders of each share of common stock such that the holder of 1,00 shares of stock would receive 30 shares of stock.
Explain lewis structure and identify the reacant acting : Draw lewis structure and identify the reacant acting as an acid and base and indicate if it is a bronsted lowry, lewis acid, or both

Reviews

Write a Review

Chemistry Questions & Answers

  State what is the pressure of the gas in mmhg

What is the pressure of the gas in mmHg if the volume is changed to 8.53 L? The temperature remains constant. In scientific notation.

  What is the partial pressure of helium gas

A gas mixture with a total pressure of 765 contains each of the following gases at the indicated partial pressures: , 118 ; , 229 ; and , 187 . The mixture also contains helium gas. What is the partial pressure of helium gas.

  Define temperatures and corresponding vapor pressures

Choose any two temperatures and corresponding vapor pressures in the table given, and use those values to calculate Delta H vap for mercury (in kJ / mol).

  Compute the solubility product

Calculate the solubility product, Ksp, magnesium oxalate (MgC2O4) using appropriate standard reduction potentials from Appendix H

  State the equilibrium constant for the reaction

The equilibrium constant for the reaction, 2HI = H2 + I2 is 0.49. Calculate the number of moles of hydrogen produced when one mole of HI

  Determine the number of moles of o2 produced

2 NaClO3 2 -> NaCl + 3 O2 Determine the number of moles of O2 produced by the decomposition of 639 g of NaClO3.

  State an equation for the dissociation that occurs when nacl

Write an equation for the dissociation that occurs when NaCl is mixed with water. Calculate the effective molality for the NaCl mixture. 120 g of salt and 600 g of H2O

  What minimum mass of h2so4(in g) would you need

2Al(s)+3H2SO4(aq) -> Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.5g. What minimum mass of H2SO4(in g) would you need?

  How many times greater is the h3o+ in coffee than in water

The pH of coffee is approximately 5.0. How many times greater is the [H3O+] in coffee than in tap water having a pH of 8.0

  Find out the pressure of the gases trapped in the closed end

Determine the pressure of the gases trapped in the closed end of a manometer apparatus if the water column which separates the closed end from the open end is 10.55 cm higher on the closed end than the open end, and if the barometric pressure at t..

  State what is the mole fraction of methanol in the solution

a solution is made by dissolving 20.0 mL CH3CN. what is the mole fraction of methanol in the solution?

  Compute the value of kn for the neutralization of aniline

a weak base used in the manufacture of dyes. Calculate the value of Kn for the neutralization of aniline by vitamin C. (ascorbic acid, C6H8O6, Ka = 8.0 x 10 -5).

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd