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A light source simultaneously emits light of two wavelengths, 480 nm and 560 nm, respectively. The source is used in a double slit interference experiment where the slit spacing is a 0.040 mm, and the distance between the double slits and the screen is 1.2 m. What is the separation between the second- order bright fringes of the two wavelengths as they appear on the screen? (1 nm= 10^-9m)
Report each to three significant figures in scientific notation. Given this data for the decomposition of urea in an acidic solution, calculate each of the following assuming Arrhenius behavior.
The reactions occur in acidic solution. (Use the lowest possible coefficients. Omit states-of-matter in your answer.) (a) MnO4- + H2SO3 ? Mn2+ + SO42-
So hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
Draw all possible isomers for the molecule having the formula C7H7C1. The molecule contains one benzene ring.
Calculate the pZn of a solution prepared by mixing 25.0 mL of 0.0100 M EDTA with 50.0 mL of 0.00500 M Zn2+. Assume that both the Zn2+ and EDTA solutions are buffered with 0.100 M NH3 and 0.176 M NH4Cl to provide a constant pH of 9.00.
Explain why the wild horse analogy can be used to help explain a certain type of chemical bonding
Which of the following reactives works for separating metalic ions in an aqueous solution that conatins Fe(NO3)3 and AGNO3? Explain the reason for choosing it.
What is the minimum voltage needed to produce a reaction in the electrolysis of copper(II) sulfate using inert electrodes. This is he same as asking what is Ecell for the electrolytic cell.
Methane and oxygen react to form carbon dioxide and water. What mass of water is formed if 3.2 g of methane react with 12.8 g of oxygen to produce 8.8 g of carbon dioxide?
a mixture of nitrogen and hydrogen reacts as fully as possible to form a 56 l mixture of ammonia and hydrogen at stp. when this mixture is compressed to 10.0 atm and chilled to 200.0 K, all of the ammonia is liquefied leaving 3.2 L of hydrogen sti..
The distribution constant for x between n-hexane and water is 9.6 Calculate the concentration of x remaining in the aqueous phase after 50ml of x are treated by extraction with the following quantities of n-hexane:
a 35.00 mL sample of NaOH solution is titrated to an endpoint of 14.76 mL 0.4122 M HBr solution. What is the molarity pf the NaOH solution?
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