Rialinorodriguezviz
Answered

Directions: Read the problem carefully and write your answer in the space
provided below. Please show your solution and explain. Follow the
formula and use scientific calculator.



1. What is the temperature in Fahrenheit of 20 °C?



2. Dry ice, or frozen carbon dioxide sublimes (phase change between
solid to gas) at -78.5 °C under normal atmospheric pressures. What is
this temperature in Fahrenheit?



3. The average body temperature of a house cat is 101.5 °F. What is this
temperature in Celsius?


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Sagot :

Saisayiiiviz

:

1. To find Fahrenheit temperature for -20 degrees Celsius, you can just plug it into the formula. Therefore, F = 9/5 (-20) + 32 and F = 28.4.5

2. Carbon dioxide has no liquid phase at atmospheric pressure. Solid CO 2 is known as dry ice because instead of melting, it sublimes. Its sublimation temperature at atmospheric pressure is −78 ° C

3. Answer: 38.61

Explanation: C= (5/9)(101.5-32)

=38.61 C

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