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Freon-12 is utilized as a refrigerant in central home air conditioners. The rate of effusion of Freon-12 to Freon-11 molar mass= 137.4 g/mol is 1.07:1. Explain the formula of Freon-12 is one of the following- CF4, CF3Cl, CF2Cl2, CFCl3 and CCl4. Explain which formula is correct for Freon-12?
A 2.721 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution.
Calculate the percent of volume that is actually occupied by spheres in a face-centered cubic lattice of identical spheres. You can do this by first relating the radius of a sphere,r
Calculate the pH of a solution that is .150 M in sodium formate and .200 M in formic acid (Ka=1.8*10^-4)
A free particle of mass m in a one-dimensional box with infinite walls at x=0 and x=L, given by the potential function: V(x)= 0 for x =0 L
Calculate the grams and milliliters corresponding to 100 mmol of t-amyl alcohol, and the theoretical yield of t-amyl chloride.
On a Particular summer day, the temperature is 30.0 degrees Celsius and the relative humidity is 80.0% ( which means that the partial pressure of water vapor in the ambient air is 80.0%
1.0 mol of cacn2 and 1.0 mole of water are mixed togethercacn2 3h2o rarr caco3 2nh3how much nh3 could be
What are the Russell Saunders term symbols for Thorium and how would I go about finding it
a 49g piece of ice at 0 degrees c is added to a sample of water at 9 degrees c. all of the ice melts and the
Predict the outcome of reactions that occur when a solution having [Cu2+]/[Fe2+] = 10 comes in contact with hydrotroilite (FeS). What will be the ratio of [Cu2+]/[Fe2+] in the solution after equilibrium is established?
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
if 489 mg gas occupies 249 mL at 80 degrees celcius and 745 mmHg of pressure, what is the molar mass of the gas.
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