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Compute the average kinetic and potential energies of an electronic the ground state of a hydrogen atom.
A coin dealer, offered a rare silver coin, suspected that it might be a counterfeit nickel copy. The dealer heated the coin, which weighed 18.0 g to 100°C in boiling water and then dropped the hot coin into 26.5 g of water at T = 16.5°C in an insu..
A solution is prepared from 30g of a non-volatile solute in 10 moles of water. The solution has a vapor pressure of 0.117 atm at 50 deg C. What is the molecular weight of the solute. Note the vapor pressure of pure water at 50 deg C is 0.122 atm.
a compound is 40.0 c 6.70 h and 53.3 o by mass. assume that we have a 100 g sample of this compound. the molecular
Calculate the electrode potential of the following half cell if it was at standard conditions. Then recalculate how this changes using.
draw the lawis structure and structural formulas for ccl3f. sketch the space-filing model and the charge-density model
A buffer is made by dissolving HC2H3O2 and NaC2H3O2 in water. Write an equation that shows how this buffer neutralizes added: Acid, Base
what is/are the organic product(s) in the reaction below. draw a stepwise, detailed mechanism for the following reaction. a.) CH3C=C-CH3 + Br2
How does the answer for part (a) change if the gas of interest is He? c) What is the largest molecular mass that is capable of escaping Earth's surface at 298 K?
What is meant by a state of ‘dynamic equilibrium'? What happens to the concentration of reactants and products when a reaction reaches a state of dynamic equilibrium?
A 32.0 g sample of liquid water at 21.0C absorbs 2276 J of heat energy. What will be the final temperature of the water? The specific heat of liquid water is 4.185 J/gC.
The electron in a hydrogen atom occupies a 6p orbital. What is the longest wavelength of light that can be emitted by this atom? Give answer in nanometres, nm
what is the electronic geometry about a central atom which has the following number regions of electron density? a) Four regions of electron density b) Six region of electron density
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