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Distinguish between total energy and mechanical energy. In the context of the conservation of energy, what is a system? When is total energy conserved? When is mechanical energy conserved?
a certain first-order reactio has a rate constant of 3.60times10-3 at 45 . how many minutes does it take for the
is it possible to use methylene blue to determine the concentration of ascorbic acid in orange
Draw the structure of the organic compound that exists when lidocaine is in the presence of an acidic solution, for example, hydrochloric acid. You may use standard implicit style for atoms and lone-pairs if you like
Problem- Differential pulse polarography was used in past research to determine the concentration of an organomercury compound (hydroxymercuribenzoate, HMB) in solution.
multiple choice questions in radioactive decay.1.an alpha alpha particle is essentially a
Question- A solution is prepared from 59.8 g of nonvolatile, nondissociating solute and 85.0 g of water. The vapor pressure of the solution at 60 degrees Celsius is 132 torr. The vapor pressure of water at 60 degrees Celsius is 150 torr. What is t..
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
At a total air pressure of 2.78 and a temperature of 25.0 , what is the solubility of in a diver's blood? [Use the value of the Henry's law constant calculated in Part A]
What is the percent purity of a soda ash sample if it took 42.15 mL of 0.1100 M hcl to titrate 0.5017 of the sample ?
Question- What volume (L) of an aqueous solution that is 94.00 % by mass sulfuric acid (conc) and has a density of 1.83 g/mL must be taken to obtain 826 g of sulfuric acid (conc)
During the distillation of a mixture of two miscible liquids with very different boiling points, the temperature rises to a constant reading and then drops off before returning to a higher reading. Explain the likely cause of this fluctuation in t..
When hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
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