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Question 129

The given table shows the freezing points in oF of different gases at sea level. Convert each of these into oC to the nearest integral value using the relation and complete the table, C=59(F32)
GasFreezing point at sea level(oF)Freezing point at sea level(oC)Hydrogen435Krypton251Oxygen369Helium458Argon309


Solution

We have, C=59(F32)
For Hydrogen, put F= (-435)
C=59(43532)=59×(467)=259.44C=259.44C = 259
For Krypton, put F= (-251)
C=59(25132)=59×(283)=157.22C=157.22C=157
For Oxygen, put F = (-369)
C=59(36932)=59×(401)C=222.7C=223
For Helium, put F = (-458)
C=59(45832)=59×(490)=272.22C=272.22C=272
For Argon, put F = (-309)
C=59(30932)=59(341)=189.44C=189.44C=189 

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