Explain why there are significant color changes
Explain why there are significant color changes that occur insubstitution reactions. Talk about the origins of color and what impacts the color.
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A tank of capacity 5000 gal is filled with 500 gallons of pure water. What will be the amount of salt in the tank one hour later?
A 4.8 kg dog stands on an 19 kg flatboat and is 6.1 m from the shore. He walks 2.2 m on the boat toward shore and then stops. Assuming there is no friction between the boat and the water, find how far the dog is then from the shore?
Energy must be added to overcome H bonds and dispersion forves between the strands. What is the sign of ΔG for theforward process when TΔS is smaller than ΔH?
Two speakers, one directly behind the other, are each generating a 522-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Take the speed
The following reaction has an equilibrium constant of K =1.6x10-21 at 298 K. The equilibrium constant increases to K = 10.0at 1100 K. Given this information and the following reaction, what does this tell you about the change of enthalpy, ΔH
a. What is the capacitance of the capacitor? b. What potential difference would have to be placed across the capacitor for it to store 1.0 J of electrical potential energy?
Write concerning the Fe 3+ ion in aqueous solution so that will be able to visualize, based on what you have written, what ishappening to the ferric ion as if I was there. Comment on structureand processes occuring.
An automobile tire has a GAUGE pressure of 200 kPa cold. After being driven on a hot day, the gauge pressure rises to 250kPa. What is the final temperature inside the tire, if it was 10 degree C to begin with atmospheric pressure is 100 kPa.
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