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Calculating Relative Humidity

A closed vessel contains moist air at 20 degree celcius, the relative humidity being 30 %. What would be the relative humidity become if the vessel were cooled to 10 degree celcius ? SVP of watyer at 20 deg celcius = 17.5 mm SVP of water at 10 deg celcius = 9.2 mm

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

7991

OTA ID:

102509

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Avagadro number

How do you do this problem? What is the number of nitrogen atoms contained in 9.40 g of N2O3

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

8107

OTA ID:

102959

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Atomic masses: relative abundance

The element Europium exists in nature as two isotopes: 151Eu has a mass of 150.9196 amu, and 153Eu has a mass of 152.9209 amu. The average atomic mass of europium is 151.96 amu. Calculate the relative abundance of the two europium isotopes.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

8177

OTA ID:

103234

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Find mass percent of Tl2SO4 ???????

The thallium (present as Tl2SO4) in a 7.80-g pesticide sample was precipitated as thallium(I)iodide. Calculate the mass percent of Tl2SO4 in the sample if 0.890g of TlI was recovered.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

8257

OTA ID:

102959

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How many kilometers can you walk after eating 120 g of glucose ?

The enthalpy change involved in the oxidation of Glucose is -2880 kJ/mol. 25 % of the energy is available for muscular work. If 100 kJ of muscular work is needed to walk one kilometer, what is the maximum distance that a person will be able to walk after eating 120 g of glucose ?

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

8309

OTA ID:

102509

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