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Problem- What concentration of naphthalene in grams per liter would be needed to give an absorbance of 1.0 at 220nm?
I am in need please provide me complete solution for the above problem so I can get right solution
A solutions of hydrochloric acid was formed by dissolving 1.52g of hydrogen chloride gas in enough water ti make 24.1 mL of solution. what is the concentration in percent (m/v) of solution
One drop of 1N HCl is added to the stirred solution which is heated in a boiling water bath for 5 minutes. on cooling a precipitate is deposited which is collected and recrystallized in absolute alcohol. What is the product of this reaction
Estimate the molar heat of vaporization of a liquid whose vapor pressure doubles when the temperature is raised from 85 ºC to 95 ºC.
In the iodination of vanillin, why did the product precipitate out when the solution was treated with excess aqueous acid
Problem- A rectangle of length 6.9 in., height 2.75 cm, and depth 335 mm has a mass of 104.3 ounces. What is the density of the material in grams per centimeters
Determine the Celsius temperature of 2.49 mol of a gas contained in a 1.00-L vessel at a pressure of 143 kPa
You titrate 25.0 mL of 0.110 M NH3 (Kb = 1.76 x 10-5) with 0.100 M HCl. What volume of HCl is required to reach the equivalence point and what is the pH at the equivalence point
Problem- What is the volume occupied by 23.4g of argon gas at a pressure of 1.48atm and a temperature of 414K
419 kJ of energy is required to ionoze potassium. what is the minimum frequency of light required to ionize potassium
a gas-filled balloon having a volume of 2.50 l at 1.2 bar and 25degc is allowed to rise to the stratosphere about 30 km
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant.
What problems might we see if we increase the energy of the electron beam. And if we reduce the energy of the electron beam.
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