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The ternary compounds called chlorofluorocarbons, or Freons, have proved to be very valuable as refrigerants and as cleaning agents for circuit boards. Unfortunately, in the atmosphere these compounds produce chlorine atoms that catalyze the decomposition of the ozone that protects the earth from ultraviolet radiation. One of these compounds has the following mass percentages: 8.73% C and 13.83%F. What is the empirical formula of this compound? (If, for example, the compound was C2Cl3F, then one would input `C2Cl3F' - no spaces, no commas, proper case for the letters in the atomic symbols, and alphabetical order of the elements is required here.)
Methane has a Henry's Law constant (k)of 9.88 × 10-2 mol/(L·atm) when dissolved in benzene at 25°C. How many grams of CH4 will dissolve in 3.00 L of benzene if the partial pressure of CH4 is 1.48 atm?
The proton NMR spectrum of compound D is given below. Treatment of compound D with ethyl magnesium bromide yields A. Draw the structures of compounds A, B, C, and D. 1H NMR of D: d 8.1-7.5, multiplet, 5H; 2.85, quartet, 2H; 1.30, triplet, 3H.
describe the mechanism of the reaction for the production of tetrachloromethane
a solution is made from mixing compounds A, mole fraction 0.5833, and B mole fraction 0.417. the vapor pressure of A at 55c is 95 mmHg and the vapor pressure of B at the same temperature is 42 mmHg
The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) -> 8CO2(g) + 10H2O(l) ->H°rxn = -5,314 kJ/mol What is the heat of combustion per gram of butane
The atoms in Barium metal are arranged in a body-centered cubic unit cell. Calculate the radius of a Barium atom if the density of barium is 3.5 g/cm3
Potassium iodate, KIO3, and bleach's hypochlorite ion, ClO negative, are oxidizing agents. What do they oxidize in this experiment
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chip products for the packaging label. The potato chips are seasoned with table salt, NaCl.
How many moles of O2 will be produced if 4.83 moles of CO2 react completely?
Identify the compounds present in the mixture and determine the percent by mass of each in the original sample. 1 Identity and % (wt/wt)= 2 Identity and % (wt/wt)=
What mass of NO2 can be produced by the complete reaction of 48.00 g of ammonia with 95.00 g of oxygen
Draw the Lewis dot structure for the following molecules. Use VSEPR theory to predict three-dimensional structure. Then predict whether the molecule is polar or non polar.
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