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Calculate the expectation values of x and x^2 for a particle in the state n=2 in a square-well potential?
a gold bar weighing 33.5g and having an initial temperature of 25.0 degrees celsius absorbs 5000 joules of heat. what
compare the bonding in s-cl with s-oh in sulphur vi compounds and attempt to rationalise the reactivity of the
The Gibbs free energy of formation of solid iron (III) oxide is the Gibbs free energy change for the reaction
Calculate the mole fraction of the salt in the solution
Describe the difference between an ionic bond and a covalent bond. Give an example of a compound that exhibits ionic bonding. Give an example of a compound that exhibits a covalent bond.
A generic salt, AB, has a molar mass of 243 g/mol and a solubility of 8.90 g/L at 25 C what is the Ksp of this salt
There is less waste. II. Harsh reagents are avoided. III. It uses recombinant technology. IV. It needs intense purification.
What would be more stable, 1,1-dimethylcyclopropane or cis-1,2-dimethylcyclopropane or trans- 1,2-dimethylcyclopropane
determine how many grams of solute would separate if the quantity of the solvent is 129 grams if a saturated solution
Calculate the energy in joules required to ionize a hydrogen atom when its electron is initially in the n = 4 energy level.
To what energy level was the electron initially excited. (b) What is the net energy absorbed or emitted by the atom (in units of eV) in the overall process
Liquid nitrogen has a density of 0.808 g/mL at 77 K. A sample of 1.5 L of liquid nitrogen is allowed to evaporate at 22.2 °C and 0.998 atm of pressure. What volume will the nitrogen gas occupy
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