Which two temperature changes are equivalent? A) 1 K = 1 F degree B) 1 F degree

Question

Which two temperature changes are equivalent? A) 1 K = 1 F degree B) 1 F degree = 1 C degree C) 1 C degree = 1 K D) none of the above Express a body temperature 98.6 degree F in Celsius degree. A temperature change of 20 C degree corresponds to a Fahrenheit temperature change of A) 68 F degree. B) 11 F degree. C) 36 F degree D) 18 F degree. Oxygen condenses into a liquid at approximately 90 K. What temperature in degrees Fahrenheit, does this correspond to? A) -193 degree F B) -217 degree F C) -265 degree F D) -297 degree F What is absolute zero on the (a) Celsius scale and (b) on the Fahrenheit scale? Platinum melts at 3215 degree F. What is the corresponding temperature in the Kelvin scale? A) 2041 K B) 2135 K C) 2207 K D) 2296 K E 3215 K

Explanation / Answer

15. D none of the above

16 subtract 32 and multiply by .5556 (or 5/9)

i.e (98.6-32)*5/9 = 37 degree C

17 use formula in 16 and change it to multiply by 9/5 then add 32

20*9/5 + 32 = 68 degree F

18 now for Kelvin convert it into degree c just by substracting 273

remember Formula is K= C+273 --->> C = K-273 = 90-273 = -183 degree C

now convert it into F by using formula in Q 17  multiply by 9/5 then add 32

therefore F = -183*9/5 +32 = -297.4 degree F

19 Absolute zero on celsius scale 0 K is the absolute temperature always remember

now convert it into degree C = K - 273 = 0-273 = -273 degree C

convert it into F  multiply by 9/5 then add 32 = -459.4 degree F

20

convert degree F in degree C by using formula in Q16 subtract 32 and multiply by .5556 (or 5/9)

therefore (3215 - 32)*5/9 = 1768.33 degree C

now use C= K-273

therefore K = 1768.33 +273 =2041.33 Kelvin

hope it helps you..

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