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Question- An organic compound A is composed of carbon, hydrogen and nitrogen, with carbon constituting over 60% of the mass. It shows a molecular ion at m/z= 112 in the mass spectrum.
1. Write a plausible molecular formula for compound A
2. How many rings + double bonds must be present in compound A?
I am not able to solve the above problem somebody help me to get the correct answer
A sample of carbon dioxide (Cop,m = 37.11 J K-1 mol-1)of mass 1.50 g at 27°C is allowed to expand reversibly and adiabatically from 500 cm3 to 4.65 dm3. What is the work done by the gas
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When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
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Question- As a liquid begins to distil, a student notes that the boiling chips are missing. The student removes the thermometer and drops a few chips into the distillation flask. What will probably happen. What is the correct procedure
Predict what amount in grams this double replacement reaction when 40ml of Potassium Iodide Pb(NO3)2 (aq) + 20 ml of Lead(II) nitrate 2KI (aq) combine to make --> 2KNO3 (aq) + PbI2 (s) . What is the predicted amount of PbI2 (precipitation)
Determine the minimum excitation energy of an electron constrained to rotate in a circle of radius equal to the Bohr radius (the value of Bohr predicts for the electron-hydrogen distance in the n=1 state) around a fixed point.
What is the velocity of an electron that has a de Broglie wavelength approximately the length of a chemical bond? Assume this length to be 2.9×10?10m
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