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When you made your graphs of Percent Transmittance vs. Concentration and Absorbance vs. Concentration, you include data points for 100%T at 0 concentration, and 0 Absorbance at 0 concentration. Why are these valid data points?
Consider a gas in a container with an initial pressure, temperature, and volume. What will happen to the volume of the gas if the number of moles are increased 6 times (6x), the pressure is quadrupled and the temperature is tripled
Calculate the change in energy required in making 70.0 mL of water from its elements under standard conditions
a. what is the orientation of the hydroxyl group when the compound is in chloroform solution? what evidence supports
At a certain temperature, the root mean square speed of CH4 molecules in 1610 km/h. What is the root mean square speed of CO2 molecules at the same temperature
The scale of an image indicates that the length of the x-axis and the y-axis is each 4.00nm. Knowing this, determine the radius, in meters of asingle praticle of carbon.
for the neutralization reaction involving HCl and Mg(OH)2, how many liters of 0.60 M HCl are needed to react with 45 g of a 2.5 M Mg(OH)2 solution? (density= 1.3 g/mL)
The wavelength of the fundamental N-H stretching vibration is aobut 1.5 µm. What is the approximate wavenumber and wavelength of the first overtone band for the N-H stretch
The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, calculate each of the following: molarity, molality, percent by mass, mol fraction, and mol percent.
A 4.70 g nugget of pure gold absorbed 285 J of heat. The initial temperature was 24.0°C. What was the final temperature.
why is the dissolving of ammonium chloride endotherimic? would you get similar results for dissolving all salts
What is the molar solubility of Fe(OH)3(s) in a solution that is buffered at pH 2.50 at 25 degrees C? The Ksp of Fe(OH)3 is 6.3 x 10^-38 at 25 degrees C.
What current (in Amps) is required to plate out 1.22 g of nickel metal from a solution of Ni2+ in 1 hour
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