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Question- When you look at hydrogen through a spectrometer, how many lines do you see? What happens to the spacing between the lines as they get closer to the UV range? Explain why? Are there transitions of higher or lower energy that we do not see? How many total transitions are there for hydrogen?
Please make clear everything thoroughly to obtain the points. Thanks
Air at 25°C and 100 kPa has a dew point of 16°C. If you want to remove 50% of the initial moisture in the air (at a constant pressure of 100 kPa), to what temperature should you cool the air
How much energy (in kilojoules) is released when 15.9g of steam at 129.5C is condensed to give liquid water at 68.5C? The heat of vaporization of liquid water is 40.67 KJ/mol , and the molar heat capacity is 75.3 J/(Kmol) for the liquid and 33.6 J..
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At0?C, the volume of the gas is 248 mL. To what temperature must the gas be heated to occupy a volume of 479mL.
A plane wall is constructed of a material having a thermal conductivity that varies with the square of the temperature according to the relation k=k0(1+βT2). Derive an expression for the heat transfer in such a wall.
C6H6(Benzene) boils @ 8o.1C, melts @ 5.5C, Density=.88gm/ml, its heat of fusion is 10.0 kjoules per mole -Calculate volume occupied by 1 gigamole of liquid benzene @25C
1.which of the following is an l-aldotetrose?2. which of the following is a d-aldotetrose?3. which structure is
Choose a process in any industry that involves using a reactor , talk about that reactors and its role in the manufacturing of that "said industry", and explain why that reactor was choosen instead of any other reactor
determine the mass of a mixture of 1.33x1024 formula units of sodium sulfate 1.500 moles of water and 3.77g of silver
a current of 2.40 a is passed through a solution containing cu2aq for 30.0 minutes with copper metal being deposited at
a sample of sodium dichromate na2cr2o7 is placed into a container by itself. the sample of material in the container is
Problem- Calculate the standard free energy of the following reactions at 25 C using standard free energies of formation
Iron sulfide, FeS, is a sparingly soluble salt with a Ksp of 6.3 x 10^-18. Calculate the molar solubility of iron sulfide in a solution that is saturated with hydrosulfuric acid, H2S ( [H2S] = 0.1 M) and has a pH of 2.0. Ka1 = 8.9 x 10^-8 and Ka2 ..
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