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An aqueous solution at 25 °C is 2.28 x 10^-7 M in CuNO3 and 5.03 x 10^-7 M in AgNO3. What is the lowest cyanide concentration at which a precipitate appears
A chemistry handbook lists the solubility of sodium Iodide as 184 grams per 100mL of water at 25 degrees celsius. How many moles of NaI can be dissolved in 100mL of water at 25 degrees celsius?
Once the system has reached equilibrium, 5.00g of NO2 is injected into the vessel, and the system is allowed to equilibrate once again. Calculate the mass of N2O4 in the final equilibrium mixture.
calculate delta G foor the combustion of ethane: 2C2H6(g) + 7O2(g) = 4CO2(g) + 6H2O(l)
What term describes a solution in which the solute concentration exceeds its equilibrium concentration under the prevailing conditions?
The surrounding solution has a mass of 1298 and its temperature is changed by 12.7 . If the specific heat is assumed to be 4.18 , calculate the change in heat for the surroundings.
If the pressure in the cylinder is 5.28 atm after the neon is added, what was the original pressure (in atm) of argon in the cylinder?
What mass of iron is needed in order to supply the energy needed to warm 15.0mL of water (d= 1.00 g/cm3) from 23C to 37C
To determine the molar mass of an unknown protein, 1.00 mg was dissolved in 1.00 mL of water. At 25.0°C the osmotic pressure of this solution was found to be 1.47 × 10-3 atm.
What volume of 3 M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH (2.17 mL excess) present after the initial reaction?
How many kilograms of sodium fluoride would be needed to treat an 8.25x10^7 gal reservior?
the partial pressure of helium is 341 mmhg and the partial pressure of neon is 112 mmhg, what mass of argon is present in the mixture?
Explain how and why Carbon can experience, sp, sp2, and sp3 via hybridization and what role this plays in the geometry of the molecule.
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