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Calculate the pH and pOH of the solutions with the following hydrogen ion or hydroxide ion concentrations. Indicate which solutions are acidic, basic, or neutral. (And please show how to solve! Thanks!) a. [OH-]= 7.69x10^-3 M b. [OH-]= 2.18x10^-9 M c. [H+]= 4.0x10^-8 M d. [H+]= 3.56x10^-4 M
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz MHz, where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 96.50 FM.
Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the following reactions would be fastest and which would be slowest?
In a particular redox reaction, Cr is oxidized to CrO42 and Ag is reduced to Ag. Complete and balance the equation for this reaction in acidic solution. Phases are optional.
How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 30.6 moles of water vapor? Express your answer with the appropriate units.
HBr is mixed with water. Which is the best description of what you would expect to find in the solution
Explain the large disparity in the numerical results pf Part (a). Discuss the advantages and disadvantages of the three energy sources.
The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?
the recrystallization is slow typically the flask is closed with a cork. What do you think is the reason for using a cork and not a plastic stopper (which would seal the flask better)
Choose one of the non-heme based oxygen transport proteins (i.e. not hemoglobin or myoglobin). Sketch the oxygen binding site environment, indicating the likely mode by which oxygen coordinates
A 33.0 g sample of a nonelectrolyte was dissolved is 700. g of water. The solution's freezing point was -2.84°C.
Organic chemistry, When 2-butene reacts with hydrogen chloride gas, only one product is detected, whereas when 1-butene reacts similarly
A 6.52 g mass of a metal was heated to 103.88°C and then plunged into 100.0 g of water at 24.73°C. The temperature of the resulting mixture became 28.28°C.
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