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A chemist traps a sample of gas in a balloon at an initial temperature of 42.2 °C. At a pressure of 1.000 atm, the gas collection balloon inflates to a volume of 22.6 mL. The entire experiment is placed into a chamber with a pressure of 2.000 atm and temperature of 55.9 °C. Find the new volume of the balloon, in mL.
What is the Nernst Equation? And how does the Nernst Equation relate Gibbs Free Energy, standard electrode potentials and the equilibrium constant?
In quantum mechanics, what does wave-particle duality describe?
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations. Student performed a sodium borohydride reduction experiment.
The average family of four uses 400 gallons of water per day. Calculate the average number of liters per second they use. 1 liter = 0.26 gal
Calculate the change of volume of the cube at a depth of 1.000 km (disregarding the effects of temperature). Take the mean density of sea water as 1.03 g/cm3
Sulfur-38 has an atomic mass of 38.0 and a half life of 2.87 hours. How long will it take for 99.99% of a sample of sulfur-38 to decay
Zn(s) + 2 HCl(aq) → H2(g) + ZnCl2(aq) If 1.26 L of H2 gas are formed at STP, how many g of HCl reacted?
Gas cylinder A has a volume of 48.2 L and contains N2(g) at 8.35 atm at 25 ºC. Gas cylinder B, of unknown volume, contains He(g) at 9.50 atm at 25 ºC
deduce the SALC's not derived initially from the character table analysis. Provide normalized equations and a sketch for each group orbital.
1. Write equation of overall reaction. 2. Which species is an intermediate in this mechanism? 3. Species that is catalyst ) 4. Write the rate law for the overall reaction
In an experiment, 0.30 mol H2 and 0.30 mol I2 are mixed into a 1.00-l container, and the reaction forms HI. If Kc =49 . for this reaction, what is the equalibrium concentration of HI. I2(g) + H2(g) 2HI(g)
Given that vinegar is 5% acetic acid by weight, estimate the percentage of vinegar in the foods. Assume that vinegar is 1.05 g/ml.
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