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eelebron0905
26.09.2019 •
Chemistry
Freon-11, ccl3f has been commonly used in air conditioners. it has a molar mass of 137.35 g/mol and its enthalpy of vaporization is 24.8 kj/mol at its normal boiling point of 24c. ideally how much energy in the form of heat is removed from a room by an air conditioner that evaporates 1.00 kg of freon-11?
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Ответ:
180.56 Kilo joules of energy is removed in the form of heat when 1.00 kg of freon-11 is evaporated.
Explanation:
Molar mass of freon-11 = 137.35 g/mol
Enthalpy of vaporization of freon-11=![\Delta H_{vap}=24.8 kJ/mol](/tpl/images/0265/5937/1fb2d.png)
Mass of freon-11 evaporated = 1.00 kg = 1000 g
Moles of freon-11 evaporated =![\frac{1000 g}{137.35 g/mol}=7.2807 mol](/tpl/images/0265/5937/c6586.png)
Energy in the form of heat removed when 1.00 kg of freon-11 gets evaporated:
Ответ:
nineteen million and forty sen hundred thousandths centimeters --> 19,000,000.047
seventeen thousand five and two hundred thirty seven ten thousandths centimeters --> 17,500.237
step-by-step explanation:
all you have to do is add them together!
19,000,000.047 + 17,500.237 = ?
= 19,017,500.284
i hope this !
mark brainliest!