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HFC's (hydrofluorocarbons) are replacing CFC's (chlorofluorocarbons) because the C-H and C-F bonds are stronger than C-Cl bonds. If the bond enthalpy of a C-F bond is 482 kJ/mol, what is the maximum wavelength of light that is capable of breaking the C-F bond?
If 3.0 Ml of distilled water is added to 2.0 ml of 0.35M CoCl2 solution, what is the concentration of the resulting solution.
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
A sample of gas confined in a 2.0L container at 930 Torr and 25oC was heated to 45oC. What was the final pressure?
.134 mol of KCl and .230 mole of CaCl2 were dissolved in water. Calculate the total of number of moles of Cl- of ions in the solution ?
If a raindrop weighs 53 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 3.0 h.
Determine the concentration of the total available acid of the apple juice express your answer in moles/L?
What does the 1H-NMR spectrum and the IR spectrum look like with notations on each peak on both spectra
find out the ΔH rxn for the given reaction as C 3 H 4 (g) + 2 H 2 (g) → C 3 H 8 (g)
how much energy is required to warm 100g of H2O from 20 degrees celcius to 80 degrees celcius if it is initially in a 140g glass flask? the specific heat of water is 4.18 J/g degree celcius.
a corrosion technologist pipetted a 100 ml hard water sample and titrated it with 37.64 ml of 0.01 M EDTA solution for a total endpoint, and 29.32 ml of 0.01 M EDTA solution for a calcium endpoint.
When 3.8 L of propane gas is completely combusted to form water vapor and carbon dioxide at 350°C and 0.936 atm, what mass of water vapor results?
I dissolved .5 grams of mustard in 3 mL of distilled water. I was asked to determine the mass percentage of acetic acid in mustard, so I added 2.5 mL of NaOH to turn the mustard solution red.
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