What temperature is absolute zero? OA. 0°C OB. OK O C. 0°F D. O molecules
1 answer:
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Answer:
Explanation:
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The frequency and wavelength of electromagnetic waves propagating in free space might be related to each other by using the following equation:
c=λf
Solving for the frequency:
f=c/λ
Knowing that λ stands for the wavelength (642 nm for the mentioned incident light), c the light velocity (300.000 m/s) and f the frequency, we get the asked frequency as:
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Answer : The number of moles of gas added must be, 1.59 moles.
Explanation :
Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.
The equilibrium expression for the reaction is determined by multiplying the concentrations of products and divided by the concentrations of the reactants and each concentration is raised to the power that is equal to the coefficient in the balanced reaction.
The given equilibrium reaction is,
Initial conc. 2.86 x 0 0
At eqm. (2.86-1.30) (x-1.30) 1.30 1.30
The expression of will be,
Now put all the given values in this expression, we get:
Thus, the number of moles of gas added must be, 1.59 moles.