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Davia
Questions (6)
1) if the concentrations of trace constituients of the atmosphere are expressed in molecules/cm3 , what would be the units of
0 answers
429 views
Explain the discontinuity in the trend for the first ionization energies between Mg and Al, also P and S.
1 answer
1,394 views
A girl breathes in a volume of 2 . 6L of air dives to a depth that has a temperature of -11 degrees Celcius What volume of air
2 answers
515 views
what could be possible answers to these two questions.....1 why determine the amount of solvent by difference and not by
1 answer
534 views
After extraction with bicarbonate,in which form is benzoic acid now in solution?
1 answer
390 views
The separation of a mixture of benzoic acid and benzoin in dichloromethane into its pure compounds by a combination of solvent
11 answers
2,987 views
Answers (6)
hmm me either ok a swimmer takes a deep breath in.....the volume of air taken into the lungs is 2.6 litres she then dives to a depth where the temperature is -11 degrees Celsius when she is out of air she swims back to the top of the ocean where the
what could be possible answers to these two questions.....1 why determine the amount of solvent by difference and not by weighing the final distillate????? why not distill off all the solvent at the very beginnig and then separate the solid residue of
sodium salt :)
after extractiowith bicarbonate, in which form is benzoic acid now in solution ???????
the lower (organic) layer contains the benzoin. slightly soluble in water
yes...i think...two layers are formed after shaking so i guess this is extraction of the benzoic acid from the benzoin so i am asked to state why carbon dioxide evolved ...what statement could i give?
