Multiple Choice
Using Raoult's Law and the Clausius-Clapeyron equation, what is the vapor pressure of SiCl4 in mmHg at 31.0 °C, given that its vapor pressure is 100 mmHg at 5.4 °C and ΔHvap is 30.2 kJ/mol?
14. Solutions
Vapor Pressure Lowering (Raoult's Law)
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What is it called when plants give off water vapor as a waste product?
A
Evaporation
B
Condensation
C
Precipitation
D
Transpiration
Verified step by step guidance1
Understand that the process in question involves plants releasing water vapor into the atmosphere.
Recognize that this process is a part of the water cycle, which includes various stages such as evaporation, condensation, and precipitation.
Identify that the specific process where plants release water vapor is known as transpiration.
Transpiration occurs when water absorbed by plant roots is released as water vapor through small openings in leaves called stomata.
This process is crucial for plant physiology as it helps in nutrient uptake and temperature regulation, and it also contributes to the atmospheric moisture.
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