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Naphthalene is a hydrocarbon that is commonly found in mothballs. Naphthalene is 93.75% carbon by mas. If Naphthalene's molecular formula is twice its empirical formula , What the molar mass
Calculate the volume of dry CO2 produced at body temperature (37 degrees Celcius) and 0.970 atm when 24.5g of glucose is consumed in this reaction.
Determine the heats of formation or the steric energies of the exo- and endo-anhydride adducts using a molecular mechanics program.
If 3.0g of N2 gas has a volume of 0.50 L and a pressure of 5.0 atm, what is its Kelvin temperature
Draw the chemical structure of an aldohexopyranose and a ketohexofuranose.
When acetic anhydride is dessolved in water it forms acetic acid according to the balanced chemical reaction. Calculate the theoretical yield (in grams of acetic acid, FW 60.05 g/mol) if 8.79mL of acetic anhydride
What is the pH of a buffer prepared by adding 180 mL of 0.100 M NaOH to 200 mL of 0.100 M acetic acid? (Ka for CH3COOH = 1.8 x 10-5)
A new soft drink on the market is prominently labeled as "caffeine-free". Based on the nature of complaints filed by several consumers, it appears that the "caffeine-free" claim might actually be fraudulent.
Consider a light-sensative reaction. What energy in joules per photon, is needed to drive the reaction if delta H of the reaction is equal to 793 kJ/mol. (Remember that there are Avogadro's number of photons per mole of photons.)
Once the solvent front reaches the top of the chromatographic paper,solvent begins to evaporate from the top edge of the paper, and the remaining solvent continues to move up the paper.
What is the mole fraction of ethanol in a solution made by dissolving 14.6 g of ethanol in 53.6 g of water?
The heat capacity of bomb calorimeters are determined by running a known, standard reaction. The combustion of 2.450 mmol of x caused the temperature of a bomb calorimeter to rise from 23.400
Consider the heterogeneous equilibrium process shown below. C(s) + CO2(g) 2 CO(g) At 700.°C, the total pressure of the system is found to be 3.20 atm. If the equilibrium constant KP is 1.52,
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