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What might happen to your calculated NaOH morality if you use tap water rather than deionizer (purified) water to dissolve the KHP crystals or to rinse down the walls of the flask during the titration? (Tap water contains some calcium bicarbonate.)
dissolved in water to produce a 0.0172 M solution. The pH of the resulting solution is 2.34. Calculate the Ka for the acid.
Explain from a micro and macro perspective what would happen and what might be observed when a bimetallic strip of aluminium and copper is heated from 27 degrees to 327 degrees?
One Step is a product sold as a cleaner/sanitizer and has the formula 2Na2CO3?3H2O2. If 15.175 g of this compound is dissolved in water and diluted to exactly 1 gallon as directed
what is the pH of a Tris buffer (pka 8.1) prepared by adding 20 mL of 1M HCl to 100mL of a solution of 0.3M Tris
a sample of chloroform is found to contain 10.5 g of carbon 93.1 g of chlorine and 0.88 g of hydrogen. if a second
After treating the crude extract with activated carbon, the solution was somewhat lighter in color, but still quite dark. Knowing that trimyristin is in fact a white crystalline compound, why wasn't more activated carbon used in an attempt to remo..
It takes 45.0 to raise the temperature of an 8.00 piece of unknown metal from 13.0 to 24.5. What is the specific heat for the metal.
If a temperature increase from 11.0degree C to 20.0degrees C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction
how many grams of NaNO3 would you add to 250.0g of H2Oin order to prepare a solution that is 0.500 molal in NaNO3
The first-order rate constant for the decomposition of N2O5, 2N2O5 --> 4NO2 + O2 at 70 degrees C is 6.82 * 10 ^-3 . Suppose we start with 2.90×10?2 of in a volume of 1.7 L. A)
A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 5.80 gallons, what is the boiling point of the solution? Make the following assumptions in your ca..
what is the density of a block of marble that occupies 306 cm3 and has a mass of 804 g? answer in units of g/cm3.
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