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The relative humidity of a 100m3 room at 20°C is 55%. If the room temperature drops to 10°C what is the new relative humidity in the room?

The relative humidity of a 100m3 room at 20°C is 55%. If the room temperature drops to 10°C what is the new relative humidity in the room?

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Hi, 

I am having trouble with two physics questions.  The answer I got for Q5 was '100%' but I am not sure if this is correct.  Can you please check for me.  Q7 I am stuck on.  Thank you so much.  

 

Joanne 

QUESTION 5 The relative humidity of a 100m3 room at 20°C is 55%. If the room temperature drops to 10°C what is the new relative humidity in the room? Saturation Density of Water Vapor in Air: Temperature ("C) -15 Saturation Density (kgm) 0.0016 0.0022 -10 0.0049 10 0.0094 20 0.0173 O 45% 100% O 55% O 85% O 95% O 75%
Transcribed Image Text:QUESTION 5 The relative humidity of a 100m3 room at 20°C is 55%. If the room temperature drops to 10°C what is the new relative humidity in the room? Saturation Density of Water Vapor in Air: Temperature ("C) -15 Saturation Density (kgm) 0.0016 0.0022 -10 0.0049 10 0.0094 20 0.0173 O 45% 100% O 55% O 85% O 95% O 75%
QUESTION 7 Approximately much water has to be removed from the air at 10°C to keep the RH at 55%? (Remember that 1 litre of water has a mass of 1kg ) Round your answer to the nearest whole number.
Transcribed Image Text:QUESTION 7 Approximately much water has to be removed from the air at 10°C to keep the RH at 55%? (Remember that 1 litre of water has a mass of 1kg ) Round your answer to the nearest whole number.
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