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Calculate the molar gibbs energy of fusion (melting) for water at -3degree and 1bar, given that Cp(s)=38J/kmol Cp(l)=75.3j/kmol and deltaHfus = 6.000Kj/mol (sketch Hvs.T)
What mimimum hydronium ion concentration (M) would be needed to prevent precipitation of cupric hydroxide (Cu(OH)2 Cu2+ + 2OH- , Ksp = 2.2 x 10-20) from a solution containing 0.010 M Cu2+ ion?
Determine the new pressure of the gas and express your answer in Pa
The half of cesium-137 is 30.2 years. If the initial mass of sample of cesium-137 is 1,000 g, how much cesium will remain after 151 years.
Determine the pressure of a gas using the ideal gas law - Calculate the pressure inside the vessel after all the dry ice has been converted to CO2 gas.
How many grams of lead chromate form when a 1.00-g sample of Pb(NO3)2 is added to 5.0 mL of 1.00 M K2CrO4 solution.
What is the balanced reaction that occurs when copper metal dissolves in nitric acid
While preparing oxalate buffer, technicican by mistake added 0.1 M of CaC2O4. (pKsp = 7.9) to 0.2 M solution of oxalic acid(pKa's 1.25; 4.26).
The half-life of plutonium-239 is 24,100 years. How long will it take for a 100 g sample of plutonium to be reduced to 25 g?
when 50.0 gram of metal at 75.0 C is added to 100 grams of water at 15.0 C the temperature of the water rises to 18.3 C. Assume that no heat is lost to the surroundings. What is the specific heat of this metal
Calculate the wavelength of light that is produced when the excited electron relaxes back tro ground state. givien sodium is the excited element
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.704 grams of iron and 12.6 mL of 0.581M copper(II) sulfate react to form as much product as possible,
if 525 mL of gas at 25 degrees celcius is heated to 50 degrees celcius at constant pressure, calculate the new volume.
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