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Consider a compound that undergoes sublimation at 125 degrees Celsius and a pressure of one atm. Which of the following could be a heating curve appropriate for heating the compound from 100 degrees Celsius to 150 degrees Celsius?
Calculate the equilibrium compostion when 1.00 mol N2 is mixed with 3.00 mol H2 in a 2.00 L vessel.
How long does it take to deposit a coating of gold 1.00um thick on a disk-shaped medallion 4.00 cm in diameter and 2.00 mm thick at constant current of 89 A?
The compression ratio of today's cars is so much higher than in cars of years past. What is the major advantage of increasing the compression ratio?
The major isotopes of tungsten are 182W (26.32%), 183W (14.31%), 184W (30.67%), and 186W (28.62%). What is the atomic weight of W?
What do you expect will happen to the position of this equilibrium when the total pressure of the gases in the reaction mixture is doubled by injecting some argon (Ar) while maintaining the temperature constant.
Light with a frequency of 7.11 x 10 -14 Hz lies in the violet region of the visible spectrum. What is the wavelength of this frequency of light? Answer in units of nm.
find the number of representative particles in each substance a)3.00 mol Sn b)0.400 mol KCI c)7.50 mol SO2 d)4.80x103 mol NaI
460. mL of hydrochloric acid (HCl) acid is exactly neutralized with 485 mL 0.660 M NaOH solution. What is the concentration of the acid solution.
Calculate the amounts of Na2HPO4 and NaH2PO4 (in grams) needed to prepare 200 mL of a buffer with pH = 8.25 so that the sum of concentrations
Some velomobile seats have been designed to hold ice packs inside their cushions. If you started a ride with ice packs that held 1700 g of frozen water at 0 degrees C , and the temperature of the water at the end of the ride was 32 degrees C.
how many mol of CO2 are produced for every mol of pentene reacted. The chemical reaction is pentene + oxygen = carbon dioxide + water.
The solubility product constant for Ce(IO3)3 is 3.2 *10 ^-10, What is the Ce3+ concentration in a solution prepared by mixing 50.0 mL of 0.250 M Ce 3+ with 50.0 mL of 0.040 M IO3^-?
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