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Problem- Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 8.90 MJ of energy (in the form of heat) if the temperature of the sodium is not to increase by more than 10.0 °C? Use CP = 30.8 J/(K•mol) for Na(l) at 500 K.Any help is greatly appreciated
A sucrose (table sugar, molar mass 342 g/mol) solution was made by dissolving 68.2g of sucrose in 800 g of water. What is the freezing point of this solution if Kf of water is 1.86 degrees C/Molal?
An industrial factory utilizes electrolysis in its production. Explain how many minutes would a solution of Co3+ have to be electrolyzed with a 3.810 a current to plate out 2.68 g of Co
Briefly explain why it is important to allow a hot sample to cool to room temperature before you determine its mass.
If N2 and H2 at preliminary pressures of 1.5atm and 2.5atm respectively were permissible to react at 300K as well as the total pressure at equilibrium is 4.0atm, define what is the Kp
Calculate the mass percent composition of carbon in each the following carbon compounds. C4H10 C6H10 C8H13O5N
What volume in milliliters of 9.950x10^-2M sodium hydroxide solution is required to reach the equivalence point in the complete titration
Assuming that the atoms are spheres in contact along the face diagonal, what is the radius of a Ar atom (in Angstroms)? An angstrom = 10-10 m or 10-8 cm.
If a certain gas occupies a volume of 20 L when the applied pressure is 10 atm, find the pressure when the gas occupies a volume of 5.0 L.
Using the Maxwell-Boltzman function, calculate the fraction of Argon gas molecules with a speed of 305 m/s at 500 K. Please show all of your work and all of your derivations.
You have separate solutions of HCl and H2SO4 with the same concentrations in terms of molarity. You wish to neutralize a solution of NaOH. Which acid solution would require more volume (in mL) to neutralize the base
Describe the technique you would use to deteremine the density of a 5 gram sample of gasonline or granular sugar at 20 degrees celcius and 1 atmosphere pressure
Explain what is the pressure in a 14.5 L cylinder filled with 0.440mol of nitrogen gas at a temperature of 315K
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