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A rubber ball with a mass of 0.66 kg is released from rest from a height of 10 meters above the ground. Due to the interaction with the ground, each time it bounces it loses some of its total mechanical energy to non-conservative forces and it bounces to 68 percent of its height before it hit the ground. After 4 bounces, how much total energy is lost, in Joules?
Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 7.6 L to 4.6 Lat a constant external pressure of 41atm.
The rare earth metal terbium is produced from terbium (III) flouride and calcium metal by a single replacement reaction. Given 27.5 g of terbium (III) flouride and 6.96 g of calcium, what is the theoretical yield (in grams) of terbium
what are the differences between esterification and
what mass of (NH4)2SO4 must be dissolved in 0.100L of 0.350M NH3 to produce a buffer solution with pH 10.05?
Problem- Using full structural formulas draw a typical portion of a nylon-6,6 molecule; that is, expand a portion of the formula given in Equation 22.15. Show at least two hexanedoic acid units and two 1, 6-hexanediamine units.
Problem- The van der Waals equation adjusts for properties of real gases with correction factors 'a' and 'b'. Between CO and O2, which would have larger correction factor 'a' and why
A researcher added 2.06g of the salt sodium nitrate, NaN0subscript 3, to a cylinder containing water. The cylinder diameter is 2 inches and the depth of the water in the cylinder is 4 inches. Determine the concentration of salt in the solution,
Problem- 1) The boiling point of water at 754 mm hg is 99.78 C. What mass percent of sucrose (c12h22o11 a nonelectrolyte) should be present in order to raise the boiling point to 100.00 C at this pressure. (Kb = .52 C/m)
How would (The weak base sample was impure, containing about 5% inert material) affect the values of Ka for the weak acid unknown and the values of the molar mass for the disodium salt
In what part of the periodic table are the smallest ionization energies for the first electron found. a. Upper left
What is the copper physcial and chemical properties and it's extraction methods and it's melting and poiling point
How does Ksp govern the dissolution of an insoluble solid. Determine the number of moles if IO3- simply by knowing the number of moles of S2O3 2. Do you expect the Ksp to be a large number or a small number
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