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A. Calculate the concentration of a solution with a measured absorbance of 0.224 if b=1.00cm and ε = 4.4 x 10 to the 5th L/cm mol.
B. Which of the terms in the Beers law equation are related to the slope of the plot of an absorbance versus concentration chart? Explain
A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 L.What volume would this gas occupy at 107°C and 0.789 atm?
The four molecular p orbitals of the four carbon atoms can be lined up parallel in order to create four new molecular orbitals. The electrons in the new molecular orbitals benefit because they are not confined to just one atom.
A solution is prepared by mixing 250 mL of 1.00 M CH3COOH with 500 mL of 1.00 M NaCH3COO.
How much heat, in calories, does it take to warm 540 grams of water from 11.0 degrees Celsius to 37.0 degrees Celsius
choose the answer that has the following compounds correctly arranged with respect to acid catalyzed hydrolysis.
You have 200 moles of nitrogen in a cylinder,(having a weightless,frictionless piston). The initial temperature is 298k. The diameter is 0.5m. and the piston is at a height of 1m.
A gaseous hydrocarbon fuel is burned in 26.84% excess oxygen and the exhaust gas analyzed. On a dry basis, the ratio of carbon dioxide to carbon monoxide to oxygen in the exhaust gas
The temperature increased by 10.08 oC. Use these data, plus the information given below for CO2 and H2O, to estimate the standard enthalpy of formation, of H, at 25 oC for this compound of H values at 25 oC for CO2(g) and H2O(l) are 394 kJ mol 1 a..
What iron phase is characterized by body-centered cubic, a solid solution of carbon and/or alloying elements in FCC iron (carbon ranges from 0 ~ 0.025%)
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
How are you suppose to remember all the rules for these compounds? And how will you know when to apply them in a certain problem?
Determine the empirical formula of a compound containing 63.50% silver, 8.25% nitrogen, and the remainder oxygen. Where do you get the remainder oxygen number from
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