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Question- Calculate the longest and shortest wavelengths of light that can be emitted from a hydrogen atom if the final energy state is n = 2.
Solve the above problem in detail no word count
Explain what is the pressure of the gas in a mercury mamometer if h=91mm as well as atmospheric pressure is 781 mmHg
How much time (in s) is needed for NOCl originally at a concentration of 0.0194 M to decay to 0.0026 M
calculate the enthalpy change for an isobraic change of steam from 0.8 MPa and 250 C to saturated liquid
How do you arrange PV=nRT to give equation relating pressure to concentration and use it to modify Beer's Law to apply to gas pressure? Write a formula that relates absorbance to gas pressure.
Calculate the pH when 16 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution
Calculate the {\rm pH} at the equivalence point for titrating 0.210 solutions of each of the following bases with 0.210 M\;{\rm HBr}. NH2oh, c6h5nh2
Fe2O3(molar mass=159.7 g/mol) reacts with CO(molar mass= 28.0g/mol) according to the equation Fe2O3(s)+3CO(g)>>>> 3CO2(g)+2Fe(s). When 116g of CO reacts with excess Fe2O3, how many moles of iron will be produced
Calculate the pH of a water at 25oC that contains 3.69 mg/L of carbonic acid. You may assume that the concentrations of carbonate and hydroxide are negligible and that there are no other ions present in solution.
What is the balanced, complete net ionic, and net ionic equation for AgNO3 + KIO3
Given that one mole of NaOH reacts exactly with one mole of potassium hydrogen phthalate, write the chemical reaction and calculate the number of milliliters of 0.100 M NaOH required to neutralize the 0.500 gram sample of potassium hydrogen phthal..
A 25.0-mL aliquot of vinegar was diluted to 250 mL on a volumetric flask. Titration of 50.0-mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) ..
You have 5 L of an ideal gas at 25 ºC and 5 bar are expanded to a final pressure of 1.00 bar. Assuming Cv=3/2 R, calculate deltaU, deltaH, q, w, and DS if the process is:
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