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A diffraction grating has 209 lines/mm. Light consisting of a continuous range of wavelengths between 564 nm and 700 nm is incident perpendicularly on the grating.
(a) What is the lowest order that is overlapped by another order?
(b) What is the highest order for which the complete spectrum is present?
(a) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.35L of a 1.25M H3PO4 solution. (b) What volume, in Liters, of a 1.25 M H3PO4 solution can be prepared by diluting 50 mL of a 4.5M H3..
Write the balanced net ionic equation for the reaction that occur in the following case. Ba(NO3)2 (aq) + K2SO4(q) Express your answer as a balanced net ionic equation.
Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (1B). What is the pH in the Pt | H+ | H2 half-cell? (1C). What is the value of the equilibrium constant for the reaction occurring in this cell
Uranium-238 decays very slowly, with a half-life of 4.47 billion years. What percentage of a sample of Uranium-238 would remain after 13.4 billion years.
In the ultramicro-boiling point determination, why is the b.p take just as bubble cease from the bell. what is inside these bubbles
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations. Student performed a sodium borohydride reduction experiment.
While 1.618 atm of carbon monoxide reacts with 1.43 atm of oxygen at a constant temperature in a closed rigid container, Explain what is the theoretical yield (in atm) of carbon dioxide
why do we use 60:40 dichloromethane/hexane solvent mixture to separate 2-nitrophenol and 50:50 dichloromethane /ethylacetate solvent mixture to separate 4-nitrophenol? What is the role of each sovent mixture and its impact on the crude product mix..
The initial rate of a reaction 2A + 3B -> C + 2D was measured using different initial concentrations of A and B. Calculate the value of k
An equimolar mixture of nitrogen and acetylene enters asteady-flow reactor at 25 oC and 1.0 bar. The reaction taking placein the reactor is N2(g) + C2H2(g) = 2 HCN(g).
which gas has particles with the slowest average speed at 28 C? 1- Carbon dioxide 2- Sulfur trixoide 3- Sulfur hexafoluride 4- Hydrogen choride 5- Helium
Suppose If the volume of Fe (II) solution used = 1.2 ml and the volume KMnO4 solution used = 1.1 ml. Define what is the concentration of KmnO4 solution
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