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Using the following spectral information, determine the name of unknown organic compound A. For full credit, explain why/how the spectral information led you to your answer.
Mass spectrometer: Molecular ion of 148 m/z
IR: strong absorption between 2800 and 3000 cm-1, strong absorption at 3050 cm-1, and strong absorption between 1400 and 1600 cm-1
NMR: singlet at 2.5 delta units with integration of 3, singlet at 2.0 delta units with integration 9, 2 sets of doublets between 7.0 and 8.0 delta units with integration of 2 each
A mixture consisting of 2.50×10!3 g of O2, 3.51×10!3 mol of N2, 4.67×1020 molecules of CO are placed in a vessel with a volume of 4.65 L at 15.4°C.
Calculate the amount of solution that contains 8.0g calcium cloride (CaCl2) from 35% solution of CaCl2?
Calculate the hydrogen ion concentration for an aqueous solution that has a pH of 3.45.
how many joules are required to melt a 325 degrees Celsius ice cube at 0 degrees Celsius and to warm the liquid to 15 degrees Celsius
The chlorofluorocarbon CCl2F2 was once used in air conditioners as the heat transfer fluid. Its normal boiling point is 30 °C, and its enthalpy of vaporization is 165 J g-1
How much heat is required to convert 5.0 g of ice at -10.0 ?C to liquid water at 15.0 ?C? (Assume heat capacities are independent of temperature.)
What is the purpose of decalin when heating an alcohol with strong acid to produce an alkene
calculate the heat energy released when 15.1g of liquid mercury at 25 degrees C is converted to solid mercury at its melting point
vinegar is a 5.0% solution by weight of acetic acid (CH3CO2H)in water. given that the ph for acetic acid is 2.41, the ka=1.8X10-5 and assuming the density of vinegar to be 1.00g/cm3, what is the percent dissociation for acetic acid in vinegar?
The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in the solution?
A large gas flask is found to weigh 143.567 g. it is then filled with gas to a pressure of 735 torr at 31 C and found to weigh 1067.9 g.
moles of CuO produced: or formula how to find out moles of CuO for lab Decomposition of Malachite.
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