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Draw a separation scheme for isopentyl acetate from its reactants (isopentyl alcohol, glacial acetic acid, and concentrated sulfuric acid)? Include when to reflux, extract, and distill.
a gasous mixture of oxygen and nitrogen contains 32.8% nitrogen by mass. what is the partial pressure of oxygen in the mixture if the total pressure is 405mmHG?
How many moles of chloride ions are there?
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O -> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
A student in lab has 3.00 g of pure N2 in 0.541 g pure H2. The reaction happens following this equation: N2(g) + 3H2(g) → 2NH3(g) How many grams of NH3 would be produced?
What pH range will allow the selective precipitation of one of the ions after saturation with H2S?
Magnesium hydroxide is only very slightly soluble in water. The reaction by which it goes into solution is: Mg(OH)_2 (s) Mg^2+ (aq) +2 OH- (aq)
A sample of gas occupies a volume of 400 mL at 0.740 atm and 70 oC. Calculate the pressure of the gas if its volume is changed to 360. mL while its temperature is held constant.
What volume of .305M AgNO3 is required to react exactly with 155mL of .274M Na2SO4 solution
A student plans to titrate 25 mL of a .134 M HNO3 solution with .179 M NaOH solution. Calculate the volume of NaOH that will be needed to reach equivalence point.
Calculate the partial pressure of hydrogen gas at equilibrium. and calculate the vaue of Kp for this reaction.
A solution is made by mixing 4.6 mL of 0.274 M Fe(NO3)3 and 656.0 mL of water. What is the concentration of Fe3+ in the resulting solution?
Which of the following substances can act as a Bronsted acid in aqueous solution? (Select all that apply.)
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