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If ragweed pollen in the image appears to be 6 cm define what is the actual size of the pollen in micrometers? The ragweed picture has a 3000x magnification.
Question about Aromatic Compounds, Explain the following: a.) The cycloheptatrienyl anion is antiaromatic, whereas the cyclononatetraenyl anion is planar (in spite of the angle stain involved)
you are asked to go into the lab and prepare an acetic acid-sodium acetate buffer solution with a ph of 4.40 plusmn
Predicting nuclear stability is important when determining whether or not a nuclear reaction can take place spontaneously.
determine the identity of the diatomic gas when a boy places 59.5 gm of a diatomic gas into a ten litres container at
Calculate the pH during the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH. First what is the initial pH (before any NaOH is added
Add 28 ml of water and 1.0 ml of concentrated hydrochloric acid to the erlenmeyer flask.), but otherwise followed the above procedure. The student obtained _no product. Explain why?
a common experiment to determine the relative reactivity of metallic elements is to place a pure sample of one metal
In this experiement (a) which group in the acyl compound is being substituted and (b) what is the substituting group
There is a mixture that is soluble only in methylene chloride. I wanna run the column in 10% Ethyl acetate/hexanes. Which method of column loading should I use in this case and why?
Calculating the Moles of Aspirin, The molecular formula for aspirin is HC9H7O4, Calculate the molecular weight for aspirin
Show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone, plus any other necessary reagents.
The standard enthalpy of formation of carbon monoxide is more esothermic than the sum of the standard enthalpies of formation of methane and water.
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