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If one starts with five grams of acryl amide and forms a gel, explain what would be the molecular weight of the polymer if 60% of the acryl amide reacts assuming that you form a single polymer molecule? Acryl amide: CH2=CH-CO-NH2
a backpacker wants to carry enough fuel to heat 2.2 kg of water from 30 c degree to 100.0 c degree. if the fuel he
What is the expression for the energy difference between the lowest energy state and the first excited state of the benzene Pi system. Please leave your answer in terms of variables and constants; do not substitute.
Draw viable Lewis structures to illustrate how the element bromine can take part in an ionic bond, a pure covalent bond, and a polar covalent bond.
The Nernst Equation applies to both cell reactions and half-reactions. For the conditions specified, calculate the potential for the following half reactions at 25 degrees C.
Molecular mass of a sample of 0.299 g of a gas in a 0.220 L bulb under a pressure of 0.757 atm and at a temperature of 250 C
Two solution are mixed together: a solution containing 0.00226 moles of HNO3 and a solution containing 0.00421 moles of NaOH. How much NaOH will remain after the reaction
Formic acid, HFor, has a Ka value equal to about 1.8 * 10^(-4). A student is asked to prepare a buffer having a pH of 3.60 from a 0.10 M HFor and a 0.10M NaFor solution. How many milliliters of the NaFor solution should she add to 20 ml of the 0.1..
Calculate the freezing point and normal boiling point of each of the following solutions: a.25.0% by mass glycerin, C3H8O3, in water b.28.0 g of propylene glycol
A 31.0-g sample of water at 290. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Find out the electron -group arrangement, molecular shape, and ideal angles for each of the following (a)SO42- (b)NO2- (c)PH3
Use the letter from the reagent table for inorganic reagents and write the IUPAC substitutive name for the bromoalkane.
Calculate the frequency of the loght corresponding to the lowest energy pure virational and pure rotational transitions. In what regions of the eletromagnetic spectrum do the transitions lie?
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