Chemistry, 02.12.2021 01:00 ariellllllllllllllll
What is the speed of an electromagnetic wave with a frequency of 1.33 x 10^17 Hz and a wavelength of 2.25 nm?
Answers: 3
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Chemistry, 22.06.2019 00:10
Which of the following best describes the formation of plasma?
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Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
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)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 Β°c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 Β°c.
Answers: 1
What is the speed of an electromagnetic wave with a
frequency of 1.33 x 10^17 Hz and a wavelength...
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