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Find the mass of barium metal (in grams) that must react with to produce enough barium oxide to prepare 1.0 of a 0.15 solution of.
what would be the volume of an ideal gas at absolute zero? what happens to real gases before they reach absolute zero?
the reactant concentration in a zero-order reaction was 7.00times10-2 m after 155 s and 1.50times10-2 m after 370 s.
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
Write an equation for the overall reaction in this experiment ( synthesis of salicylic acid from winter green oil) and use it to calculate the atom economy of the synthesis and your reaction efficiency
Devising a Reduction Potential Table, Why was it necessary to do Step 3 of the Laboratory Investigations. For the cell wilt the largest cell potential, place the metal of one half-cell in the solution of the other half-cell.)
how many grams of Na2CO3 (FM 105.99) should be mixed with 5.00 g of NaHCO3 (FM 84.01) to produce 100ml of buffer with pH 10.00.
How long will it take for 100% pearlite to form at 650 °C and at 600 °C? Estimate the hardness values resulting from these transformations.
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
The solubility product constant for Cu(IO3)2 is 1.44 x 10-7. What volume of 0.0520 M S2O32- would be required to titrate a 20.00 mL sample of a saturated solution of Cu(IO3)2?
how many grams of lead chromate form when a 1.00g sample of Pb(NO3)2 is added to 25.0 mL of 1.00 M K2CrO4 solution
a hypothetical element has two stable isotopes one has a mass of 106.9051 amu with an abundance of 48.183% the other isotope has a mass of 108.9048 amu with an abundance of 51.825% what is the average atomic mass of this element
arrange the following in order of increasing vapor
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