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A gas confined in a 519.1-mL container exerts a pressure of 107 mm Hg at 38.6 degrees Celsius. At what Celsius temperature will it exert a pressure of 635.7 mm Hg if it is placed into a 644 mL container?
What is the solubility in moles/liter for copper(II) iodate at 25 oC given a Ksp value of 1.4 x 10-7. Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!).
Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) ΔH = -118 kJ Calculate the heat when 130.0 mL of 0.500 M HCl is mixed with 300.0 mL of 0.450 M Ba(OH)2.
how much energy is required to vaporize 98.6 g of ethanol at its boiling point if its Hvap is 40.5 kj/ mol ?
Reaction of NO with chlorine to yield NOCl is pseudo-first order if NO is present in a large excess. Determine the rate constant of this reaction i
The vapor pressure of pure methanol, CH3OH, at 30 C is 160. torr. How many grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 131. g of methanol to obtain a solution with a vapor pressure of 133. torr.
Consider the reaction of 5.0 moles of CS2 and 3.0 moles of NaOH according to the following reaction 3 CS2 + 6 NaOH -> 2 Na2CS3 + Na2CO3 + 3 H2O.
if your body develops a charge of -20 (microcoulombs), how many excess electrons has it acquired?
The volume of a manifold used to transfer gases is calibrated using Boyle's Law. A 0.251-dm3 flask at pressure of 697 Torr is attached and after system pumpdown,
Heated and allowed to expand against a constant pressure of 1.20 atm until its volume reaches twenty eight Litres. Now determine Which of the given data is correct?
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
consider a stone column 3.00 ft in diameter and 10.00 ft high. What is is mass in pounds if its density is 3.50 g/mL.
What is the specific heat of a substance that it takes 192 Joules to raise the temperature of 45 grams by 6 degrees Celsius
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