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Consider the diatomic molecules H2 and Cs2. For which is the Born-Oppenheimer approximation likely to introduce less error and why?
The total mass of solid unknown dissolved in the sample was 0.1200 g. If the sample were dissolved to a final volume of 100.0 mL, and a 25.00 mL sample of the solution required 36.32 mL of EDTA solution, find the mass percent of CaCO3 that was pre..
explain whether you expect the bond in each molecule to become stronger weaker or unchanged upon 1-electron oxidation
Enough of a monoprotic acid is dissolved in water to produce a 0.0186 M solution. The pH of the resulting solution is 2.30. Calculate the Ka for the acid.
Calculate the cost of ingredients to make one gallon of biodiesel from waste vegetable oil (WVO). Assume that all of the waste oil is converted to fatty acid methyl esters and that 1 gallon of WVO yields 1 gallon of FAME.
Question- How much P V work does a gas station system do on its surroundings at a constant pressure of 1.05 atm if the volume of gas triples fromm 255 mL. Articulate your answer as absolute values in L atm and joules (J).
Tallow is stored in a vertical tank 3 m in diameter and 9?m high. The tank is insulated with a 0.05?m layer of 85% magnesia. To prevent freezing, the tallow is maintained at a temperature of 50oC by condensing steam at 135.8 kPa (abs) in a heating..
Determine the pH change when 0.112 mol KOH is added to 1.00 L of a buffer solution that is 0.394 M in CH3COOH and 0.246 M in CH3COO-. Determine the pH change when 0.095 mol HI is added to 1.00 L of a buffer solution that is 0.379 M in HClO and 0.3..
one can safely assume that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and
Granite rock has a specific heat capacity of 0.80 J·°C-1·g-1. A 15 g rock was warmed by 202 J of energy from sunlight. What was the increase in temperature of the rock (in °C)?
How much heat is required to convert 5.0 g of ice at -10.0 ?C to liquid water at 15.0 ?C? (Assume heat capacities are independent of temperature.)
You are assigned to separate a mixture of benzoic acid and 2-naphthol using acid base extraction. You are given two possible liquids to dissolve the sample in: ethyl acetate and toluene. Which solvent would be a better choice? Why?
Tris base (pka =8.1 ; ka = 8.32 e-9) was dissolved in 0.5l of water to give the final concentration of 1 M. a.) find pH of the obtained solution. b.) how much does the pH change after addition of 1 ml of 10N HCl?
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