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Calculate the equilibrium constant (Kc) and 25 degrees C from the free-energy change for the following reaction: Zn (s) + 2Ag(aq) <=> Zn (aq) +Ag (s)
Organelles compartmentalize a cell like a department store displays similar items together. What advantage does such compartmentalization offer a large cell and what are two examples of oraganelles and the activities they compartmentalize?
A sample of neon (Ne) occupies 1700 mL at STP. At constant pressure, what temperature is necessary to increase the volume to 2100 mL?
How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NiCl2 for 80.0 minutes?
Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC) production was banned in 1996. However, there are about 100 million auto air conditioners that still use CFC-12 (CF2Cl2). These air conditioners are recharged fr..
an elemental has a mass of 10.3 grams. if the volume is 58.4 liters and the pressure is 758torrs at a temperature of
Draw an example of the change in molar volume during a 1st and 2nd order phase transition vs. temperature.
what two cofactors are required for oxidation of fatty acids with an odd number of carbon atoms that are not required
Develop a scheme to separate Ag+, Mg2+, and Pb2+ cations in solution and draw a flow chart that depicts your scheme.
One sample had a mass of 25 grams. The other had a mass of 50 grams. Would the same number of particles be ejected from each sample in the first hour?
Calculate the rate at each time interval & average rate for the reaction and determine the rate of each time interval, and then calculate the average rate for the reaction in terms of [H 2 O].
1) the initial pH is 11.9 2)the volume of added acid required to reach the equivalence point is 30.3 3)the pH at 5.0 mL of added acid is 11.35 4) the pH at the equivalence point. 5) the pH after adding 6.0 mL of acid beyond the equivalence point
the alcohol attacking the 2-phenylacetic acid with the subsequent loss of a proton. b. protonation of the ethanol by H2SO4. c. protonation of the carbonyl oxygen of the 2-phenylacetic acid. d. protonation of the hydroxyl group of the 2-phenylac..
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