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Acetylene has two C=H groups. It will have two C-H stretching frequencies, the in-phase and out-phase stretching modes. The in-phase (symmetric) stretch occurs at 3374/cm and the out of phase stretch at 3333/cm. Explain why the in phase vibration is located at a higher frequence than the out of phase stretch in the case of acetylene.
Determine What is the difference in energy between the ground and excited state if the absorption spectrum of rhodopsin is centered at roughly 500. nm.? what is the probability of rhodopsin populating the first excited state At a physiological tem..
a gas mixture consists of N2, O2, and Ne where the mole fraction of N2 is .55 and the mole fraction of Ne is .25. If the mixture is at STP in a 5.0 L container, how many molecules of O2 are present.
How much would an empty volumetric flask, (weighing 27.16 grams, has a volume of 100.4 cm3 ) weigh when filled with bromine, an element that has a density of 3.1028 g/cm3.
Why is lip gloss long lasting containing petroleum? How many metric tonnes of 5%-S coal would be required to yield the H2SO4 needed to produce a 2.0-cm rainfall of pH 2.00 over an area of 100 square kilometers?
Calculate the number of moles of gas in a 3.24 L basketball inflated to a total pressure of 24.3 psi (pounds per square inch) at room temperature (25 degrees Celsius).
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
Application of Boyle's Law - Determine the molecular formula of the compound
If 6.0 moles of ethene and 6.0 moles of hydrogen are introduced into a 2.0 L sealed vessel and allowed to equilibrate at 200ºC, what is the equilibrium concentration of the ethene
How can grains in a silo spontaneously explode? How is it that corn or any other grain can explode in a silo on it's own? How could a natural gas leak just cause corn to explode in a silo?
The standard molar heat of vaporization for water is 40.79 kJ/mol. How much energy would be required to vaporize 29.0 g of water?Answer in units of kJ.
What is the temperature change If 84 joules of heat are added to a pure gold coin with a mass of fifteen grams? It is given that the Specific heat capacity of Au= 0.128
Determine what concentration of OH - is needed to dissolve 0.015 mol of Zn(OH) 2 zinc hydroxide in a liter of solution
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