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The forensic technician at a crime scene has just prepared a luminol stock solution by adding 17.0g of luminol into a total volume of 75.0 mL of H2O. What is the molarity of the stock solution of luminol?
At constant volume, the heat of combustion of a particular compound is -3973.0 kJ/mol. When 1.481 g of this compound (molar mass = 172.71 g/mol)
A 2059-kg elevator moves with an upward acceleration of 2.0 m/s2. What is the tension in the cable that supports the elevator
Assume an organic compound has a partition coefficient between water and ethyl acetate equal to 6.21. If there are initially 8.05 grams of compound dissolved in 110.0mL of water
The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the alloy? (c of water is 4.184 J/g×K)
what is the theoretical yield of aluminum oxide if 2.40 mol of aluminum metal is exposed to 2.10 mol of oxygen
When the stopcock between the manifold and the flask is opened, the pressure in the system is 287 torr. Assuming no temperature changes, what is the volume of the manifold
how many grams of CaCl2 should be dissolved in 500.ml of water to make a 0.20m solution of CaCl2
Calculate the amount of solute in g needed to prepare 431.5 g of 8.85 %(m/m) LiNO3 solution.
A 5.325g sample of methyl benzoate, a compound found in perfumes, was found to contain 3.758g of carbon, 0.316g of hydrogen, and 1.1251g of oxygen.
You are provided with the instrumental information below, identify the compound it was obtained for, explaining your reasoning.
Draw the mechanism of acetone reacting with 2 equivalents of benzaldehyde. Use the arrow drawing convention to show all bond making
Compare the PV product of Ideal Gas 1 (MW=4 g/mol) with the PV product of Ideal Gas 8 (MW=222 g/mol)
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