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Predict the IR bands and the NMR signals which are expected to be useful in assigning the molecular structure. List only the most important IR bands expected.In anticipating the NMR spectrum, predict the approximate chemical shift and the splitting pattern expected for each different type of proton, draw the structure.
If you can help, please do. here are the compounds:
Benzonitrile, 4-Methoxybenzaldehyde,Acetophenone,N-Methylaniline,Benzylamine,Ethyl Benzonate, and 4-Isopropyltoluene
Substance A has a greater molar mass then substance B. Both are nonelectrolytes. If 50 g of substance A are dissolved in 250 g of water in one beaker
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
the excess HCl required 5.99 mL of 0.0983 M NaOH for titration. Calculate the percentage of nehohetramine in the sample.
That would mean it wouldn't have any electrons to give. Can anyone answer this for me as to why there are 28 electrons being transferred if hydrogen has a oxidation state of +1 meaning it doesn't have any electrons to give?
A sample of HCl gas is placed in 326mL flask where it exerts a pressure of 67.5 mmHg. What is the pressure of this gas sample if it is transferred to a 135mL flask at the same temperature?
how many grams of precipitate are formed when 217 ml of a 0.741 m aluminum sulfate soultion and 338 ml of a 1.51 m
At a certain temperature, the pH of a neutral solution is 7.45. What is the value of Kw at that temperature
what is the value of the equilibrium constant for the neutralization of acetic acid with sodium hydroxide? the ka for
hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if
Which of the flasks contains the least total ion concentration?
how much heat energy is needed to convert 64.0 grams of ice at -18.0 degrees celcius to h2o at the temperature of 25.0
A piece of silver with a mass 415 g has a heat capacity of 98.4 j/degrees celsius. what is the specific heat of silver
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