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A 89 L sample of dry air is cooled from 134°C to -18°C while the pressure is maintained at 2.85 atm. What is the final volume?
Assuming that the calibration curve passes through the origin, what absorbance would be recorded for a solution with a Pb(NO_3_)_2_ concentration of 0.335 M.
What is the molarity of the Na 2 S 2 O 3 solution if a 0.150 g sample of KIO 3 required 10.7 mL of Na 2 S 2 O 3 solution for its standardization?
A major oil company has used a gasoline additive called MMT to boos the octane rating of its gasoline. What is the emperical formula of MMT if it is 49.5% C, 3.2% H, 22.0% O, and 25.2% Mn.
If 12.6 grams of iron (III) oxide reacts with 9.65 grams of carbon monoxide to produce 7.23 g of pure iron, what are the theoretical yield and percent yield of this reaction?
If 3.93 g of sodium borohydride contains 2.5 × 10e23 H atoms, how many moles of H are present in 33 cm3 of sodium borohydride (of density 1.074 g/cm3)?
The Standardized solution of NaOH is used to titrate a solution of HCI. Write the balanced equation for this reaction. Calculate the molarity of the HCl solution.
what is the molar mass of a gas that has a density of 1.02g/L at 0.990 atm pressure and 37 o C
A zero-order reaction has a constant rate of 2.40×10-4 M/rm s. If after 80.0 seconds the concentration has dropped to 7.00×10-2 M,
Polyethylene Density, (a) Which is the higher density of polyethylene, linear or branched? Select the choice with the best accompanying explanation.
What would the net ATP yield if a muscle cell takes a glucose molecule, stores it as part of a glycogen molecule and later releases it and sends it through glcolysis.
A mixture of CaCO3 and CaO weighing 0.665 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g.
A solution is prepared by mixing 75.0 mL of 5.00 M HCl and 20.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
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