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A flask containing a mixture of NH3(g) and CH4(g) is cooled. At -33.3 degrees celcius a liquid begins to form in the flask. What is the liquid? NH3(g) or CH4(g)?
If this codon is mutated to the sequence 5'-UUG-3' what is the expected consequence for the cell
NO (g) + O3 (g)-> NO2 (g) + O2 (g) For the reaction given, the frequency factor A is 8.7 x 1012 s-1 and the activation energy is 63 kJ/mol. What is the rate constant for the reaction at 75°C.
For 0.51 M HCN (Ka=6.2 x 10-10), mark the major species found in the solution. H+ , HCN , CN-, H2O , OH, Now calculate the pH of the 0.51 M HCN solution (Ka= 6.2 x 10-10).
Consider the two diagrams showing the energies (boxes) of each of four A particles and four B particles shown below. The dotted lines represent the allowed energies of each particle.
A 20-g mass of argon occupies 15.0 l at a pressure of 25 kpa . find the volume of the argon when the pressure is increased to 530 kpa.
A solution was prepared by dissolving 28.0g of KCl in 225g of water. Calculate the mass percent of KCl in the solution.
3 isotopes of argon occur in nature. Ar-36, Ar-38, and Ar-40. The abundance of each are as follow: 0.34%, 0.07%, and 99.59%.
nbspenergy is classified as potential or kinetic. potential energy is energy that is stored in an object a rubber band
Calculate the pH in the titration of 25.0 mL of 0.100 acetic acid by sodium hydroxide after the addition
Hydrocarbon chemistry problems, For the compound, 1,2-dibromoethane, the most stable conformation would be
List a balanced chemical equation for each of these chemical reaction types and explain how it is used
An analysis had to be done in within and hour on a sample that clearly had a significant amount of water associated with it. Therefore, part of the sample was dried for an hour and part of the undried sample was assayed during the hour.
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