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Use the Beer-Lambert Law to calculate concentration given the following information. The absorbance of a sample is 0.16. The molar absorptive is 120 L/(mol cm) and the path length is 10 mm.
A number of reaction mixtures did not become colorless within five minutes after the addition of bromine in acetic acid. Those solutions were put in a dark place and examined after one hour
How many liters of ethane, measured at 17.0 degrees Celsius and 719 Torr, must be burned to liberate 2.94 X 10^4 kJ of heat?
How many moles of (NH4)3PO4 are present in 100.0 mL of 2.50 M (NH4)3PO4?
What is the correct method for determining how many moles of calcium oxide are produced in the reaction of 10.g calcium with excess oxygen?
What is the contribution to the internal energy from translations for an ideal monatomic gas confined to move on a surface?
Is it possible for an atom to absorb a photon of red light and reemit a photon of violet light
calcutate the molecular weight of surfur if 35.5 grams of sulfur dissolve in 100 grams of CS2 to produce a solution that has a boiling point of 49.48c.
A cylindrical bar of metal having a diameter of (4.740x10^0) mm and a length of (9.9406x10^2) mm is deformed elastically in tension with a force of (1.281x10^4) N.
A gaseous mixture of rm O_2 and rm N_2 contains 36.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 485 mmHg?
In the acid-base reaction between Sr(OH)2 and HNO3, 0.75 L of 0.85 M Sr(NO3)2 is formed upon the reaction of 0.515 L of HNO3 solution and excess Sr(OH)2.
To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
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