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Proceeds at a certain temperature until the partial pressures of H2O, H2, and O2 reach 0.065 atm, 0.0070 atm, and 0.0040 atm respectively. What is the value of the equilibrium constant at this temperature
A saturated solution of CaF2 had a calcium ion concentration of 2.20 x 10^-4 M. What is the Ksp for CaF2?
A Chem 113 TA prepares a solution by dissolving 3.11 g of solid KOH in enough water to make 100.0 mL of solution. Calculate the molarity of K+ ions in this solution.
A total of 0.145 g of this subunit was dissolved in enough water to produce 2.00 mL of solution. At 28 Celsius the osmotic pressure produced by the solution was 0.138 atm. What is the molar mass of the protein?
My paper says that will be only one isomer out of hexabromobiphenyl, C12H4Br6 And it states also that one phenyl group is still the active substituent when it is bromized. I wonder why it is only one isomer and I will be so thankful if you can dra..
A solution is prepared by adding 5.00 grams of an unkown compound to 217 g of cyclohexane (C6H12). This solution freezes at 4.5 degree C.
1.0 M acid and two pt electrodes connected to a voltmeter. You then add 10.00 ml of 1.00 M Fe^+2 solution to the beaker. The temperature of the solution is maintained at 25 C.(R= 8.314 coulomb V/(mol K), F= 9.64853 x 10^4 coulomb/mol)
Draw the phase diagram of water and put a on the phase diagram to show the pressure and temperature conditions in the day and at night on the moon.
The gas is collected over water . If 156 mL of gas is collected at 19oC and 769 mmHg total pressure, what is the mass of hydrogen collected?
If you dilute 33.4 mL of a 3.5 M solution to make 244.0 mL of solution, what is the molarity of the dilute solution.
A saturated solution of an unknown solid reacted with AgNO3 to give a pale yellow precipitate and also reacted with Pb(NO3)2 to give a white precipitate.
Alfred bought a new graduated cylinder for his chemistry class. It holds 416 milliliters of liquid. If the cylinder has a radius of 4 cm, then how tall is the cylinder?
what is a good conductor at high temperature and a poor conductor at low temperature? YBa2Cu3O7 GaAs S Cu
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