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If you hadn't added quite enough Hydrochloric acid to consume all of the magnesium metal, what would be the effect of this error on the percent yield in your experiment? Would the actual yield (and thus the percent yield) be erroneously high, erroneously low, or be unaffected by not adding enough hydrochloric acid? Explain.
How will you prepare the following solutions from 6.0 M solutions of acetic acid and ammonia. Give exact details. Assume that a 10-mL graduated cylinder.
The activation energy for a reaction is 37.6 kJ/ mol. The rate constant for the reaction is 5.4 x 10^3 at 45 degrees Celcius. Calculate the rate constant at 145 degrees celcius
the molar volume of a certain solid is 161.0 cm3 at 1 atm and 350.75 k its melting temperature. the molar volume of the
a 35.0-ml sample of 0.20 m lioh is titrated with 0.25 m hcl. what is the ph of the solution after 23.0 ml of hcl have
when 0.2250 g mg was heated with 0.5331 g n2gas all the mg was consumed forming 0.3114 g mg3n2.what mass of n2 is left
If only 4.5 g of Oxygen gas are recovered, what is the percent yield of this reaction?
The substance CS2 has a melting point of -110.8°C and a boiling point of 46.3°C. Its density at 20°C is 1.26 g / cm3. It is highly inflammable. a.)Name this compound.
In a 1985 study of Little Rock Lake in Wisconsin, 400 gallons of 18 M sulfuric acid were added to the lake over 6 years. The initial pH of the lake was 6.1 and the final pH was 4.7. If none of the acid was consumed in chemical reactions, estimate ..
what is the calculated molecular weight for polymerization of isobutylene?where monomerstock0.2moldm3vmonomer25cm3 and
A solution contains 0.000750 M La^+3 and 0.00385 M Ba^+2. Sodium iodate (NaIo3) is added to from precipitate. Which metal will begin to precipitate out first
Louis de Broglie pointed out that particles can have wave-nature in a way analogous to how electromagnetic waves have particle nature. Explain which of these objects would exhibit the greatest observable nature
An uncharged capacitor and a resistor are connected in series to a battery, as in Active Figure 18.16a. If e = 12.0 V, C = 5.00 µF, and R = 8.00 105 O
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