Download 7 ANSWER KEY some answers may be rounded differently

ANSWER KEY some answers may be rounded differently
TEMPERATURE CONVERSION PRACTICE PROBLEMS
Celsius to Kelvin K = C + 273
Fahrenheit to Celsius C = (F - 32) x .55
1)Convert the following to Kelvins
a)
-200˚C = 73K
b)
150˚C = 423K
c)
-40˚C = 233K
d)
23˚C = 296K
e)
-100˚C = 173K
f)
-196˚C = 77K
Kelvin to Celsius C = K – 273
Celsius to Fahrenheit F = (1.8)(C) + 32
2)
a)
b)
c)
d)
e)
f)
Convert the following to Celsius
275 K = 2 C
445 K = 172 C
0 K = -273 C
77 K = -196 C
10,000 K = 9,727 C
2 K = - 271 C
3)
a)
b)
c)
d)
Convert the following to Celsius
a beautiful spring day, 68˚F 19.8 C
a hot, humid august day, 86˚F 29.7 C
a warm day in Minnesota in January, -10˚F
the surface of a star, 10,000˚F 5482.4 C
4)
The boiling point of water at the top of Mt. Everest is 70 ˚C. What is this temperature in Kelvin? 343K
5)
Liquid nitrogen boils at 77K. What is the boiling point of nitrogen on the Celsius scale?
6)
Which temperature is colder, 172K or -75˚C?
-23.1 C
-196 C
172K
7)
On a summer day the temperature in the laboratory, as measured on a lab thermometer is 28˚C. Express
this temperature in Fahrenheit. 82.4 F
8)
Hot tubs are maintained at 41˚C. What is this temperature in Fahrenheit degrees? 105.8 F
9)
One of the body’s responses to an infection or injury is to elevate its temperature. A certain flu victim
has a body temperature of 101˚F. What is this temperature on the Celsius scale? 37.95 C
10)
An antifreeze solution in a car’s radiator boils at 239 degrees F. What is this temperature on the Celsius
scale? 113.85 C
11)
a)
b)
c)
d)
e)
Convert the following temperatures to Fahrenheit degrees.
-5˚C
23 F
273K
32 F
-196˚C
-320.8 F
86˚C
186.8 F
-273˚C
-459.4 F