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kozerog [31]
3 years ago
6

The lines in an element's atomic spectrum result from

Chemistry
1 answer:
IRINA_888 [86]3 years ago
7 0

Answer:

electron moving from a lower energy to a higher level of energy

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As a real gas deviates from ideal gas behavior, the particles _____
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Have some attraction towards each other

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3 years ago
At 20°C the vapor pressure of benzene (C6H6) is 75 torr, and that of toluene (C7H8) is 22 torr. Assume that benzene and toluene
valina [46]

Answer: The mole fraction of benzene will be 0.34 and mole fraction of toluene is 0.66

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According to Raoult's law, the vapor pressure of a component at a given temperature is equal to the mole fraction of that component multiplied by the vapor pressure of that component in the pure state.

p_1=x_1p_1^0 and p_2=x_2P_2^0

where, x = mole fraction in solution

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According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_1+p_2\\p_{total}=x_{benzene}p_{benzene}^0+x_{toluene}P_{toluene}^0

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4 years ago
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