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In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
what is the total volume of gases produced by the combustion of 500g of butane. assume 1 atm, temp 28 degrees C and that water is produced as a gas
Calculate the molality of a sucrose (C6H22O11) solution containing 14.3 g of sucrose in 676 g of water
If 315 ml of hydrogen gas is collected over water at 25 degrees C at a total pressure of 742 mm Hg , how many grams of Zn reacted?
Calculate the potential of a platinum electrode immeresed in solution buffered to a pH of 6.50 and saturated with H2
A nutritional calorie (Cal) is equal to 1 Kilocalories (Kcal). A package of crackers has 115 nutritional calories
How many milliliters of a 235 mL solution of 1.5 M AlCl3 must be used to make 61 mL of a solution that has a concentration of 0.5 M Al3+?
Use the Henderson-Hasselbach equation to calculate the pH of an acetate buffer in which the acetate concentration [CH3COO-] is three times greater than the acetic acid [CH3COOH] with a pKa of 4.76.
if 25.0 mL of 0.125 M HCl is neutralized by exactly 14.8 mL of NaOH, what is the concentration of the base?
The isomerization of cyclopropane to form propene is a first-order reaction. At 760 K, 85% of a sample of cyclopropane changes to propene in 79.0 min. Determine the rate constant for this reaction at 760 K
When 2.5000g of NaOH were dissolved in 49.0g water in a calorimeter at 24.0C, the temperature of the solution went up to 37.1C.
A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
What is the total vapor pressure 4 at 20° C of a liquid solution containing 0.30 mole fraction benzene, C6H6, and 0.70 mole fraction toluene, C6H5CH3? Assume that Raoult's law holds for each component of the solution.
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