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Most organic polymers are named based on the monomers used in their production. However, poly(vinyl alcohol) (PVA) is not made from vinyl alcohol, but instead from vinyl acetate that is hydrolized after formation of the polymer. Why can't we use vinyl alcohol in this polymerization?
how to find the molar concentration of a soloution of phosphoric acid if 17.8 mL of it neutralizes 20.0 mL of 0.050 mol/L calcium hydroxide.
how much energy in kilojoules is required to change 47.6g of ice at 0 degrees C to liquid water at the same temperature? In kilocalories?
How many L of H2 gas (at STP) is produced from 470 mL of 0.36 M HCl and excess Zn? The reaction is: Zn + 2HCl = ZnCl2 + H2
a 1.00L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate pH of the solution after the addition of 100.0mL of 1.00M HCl. Ka for HF is 3.5x10^-4
What is the basis for distillation techniques used to separate two or more components and If so, this would give me the four apparatus requested.
A 27.0-g sample of water at 250. K is mixed with 47.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
how many grams of zinc must react with sulfuric acid in order to obtain 500mL of hydrogen at 20 deg c and 770 mm hg?
Why are active firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters
benzoic acid in water is 6.8g per 100ml at 100 degrees c, and .34 per 100ml at 25 degrees c. calculate the minimun volume of water needed to dissolve 1.00g of benzoic acid.
The slope of an arrhenius plot between ln k and 1/t for a reaction is -0.66x10^4 K, and the y intercept is 11.25. what is the activation energy and the frequency factor of the reaction respectively?
When a 7.00-g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of 2.734 kJ·K-1, the temperature decreases by 0.460 K.
Write as a superposition of 3 eigenstates, indicating the numerical value of each coefficient. Using the coefficients, demonstrate that is normalized.
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