How many grams of O2, at will react with 8.70 grams of C2H4 to form CO2 and H2O? CH+ _0, → __CO; + __H,0
A. 29.8 g
B. 14.8 g
C. 9.92g
D. 26.1 g
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You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use

The point along a planet's orbit where it is closest to the sun is called the