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(a) Calculate the energy of a photon of electromagnetic radiation whose frequency is 6.75 X 1012s-1.
(b) Calculate the energy of a photon of radiation whose wavelength is 322 nm.
(c) What wavelength of radiation has photons of energy 2.87 X 10-18J?
A reaction vessel at 27 degrees C containsa mixture of SO2 (P = 3.10 atm) and 02 (P=1.10 atm). When a catalyst is added to the reaction 2SO^2(g) + O2 (g) = 2SO3 (g) takes place
The chemist used a thermometer that was miscalibrated by 2(degrees)c over the entire thermometer scale. will this factory error cause the reported energy of neutralization to be higher, lower, or unaffected? explain.
What is the net ionic equation for the reaction of an iron ion in solution mixed with NH3 resulting in a percipiate of Fe2O3
Calculate the heat lost by the hot water. (See the equation in the Introduction.) Express your answer in calories and Joules. Show your work.
Arrange the following molecules in the expected order of increasing boiling points: carbon tetrabromide, CBr4; butane, CH3CH2CH2CH3; fluorine, F2
Use this information to compare how long it will take to obtain molecular scale mixing of such a gas over i) distance 1*10^-4 m and ii) 10m
If cargo is added so that the ship now sits 20' in the water, how many pounds of cargo was added? Please explain how come to the answer. The answer is suppose to be around 28,000 tons.
Calculate delta G
Show how to determine when a reaction has reached completion. It is also used to describe the polarity of the reaction and how to know when the reaction is polar, non-polar, or has intermediate polarity.
What mass of silver chloride can be produced from 1.70 L of a 0.177M solution of silver nitrate.
How much sodium nitrate (NaNO3), in grams, should be added to water to prepare .05L of solution with a molarity of .25M?
When elements in the d-block are ionized, the electrons enter the nd orbitals before they enter the (n+1)s orbitals. Explain why this is so.
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