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October 20, 2014

October 20, 2014

Posted by **Lily** on Sunday, August 11, 2013 at 1:15am.

--I found that Celsius is 87.2, plug it in K=C+273, got 360.2 but it was wrong.

(e) Neon, the gaseous element used to make electronic signs, has a melting point of -248.6°C and a boiling point of -246.1°C. Convert these temperatures to kelvins.

-- Plugged it in K=C+273 and had the same exact problem as the top too. Help me!! What am I doing wrong?

- chem -
**Jai**, Sunday, August 11, 2013 at 6:24am1.

Recall that the formula for converting deg F to deg C is

C = (5/9)*(F - 32)

Substituting,

C = (5/9)*(189 - 32)

C = (5/9)*(157)

C = 87.2 deg Celsius

To convert to Kelvin,

K = C + 273.15

K = 87.2 + 273.15

K = 360.37 Kelvin

2.

K = C + 273

K = -248.6 + 273.15

K = 24.55 Kelvin (melting point)

K = C + 273

K = -246.1 + 273.15

K = 27.05 Kelvin (boiling point)

Your answers are correct. I don't know why they're wrong, probably there's a typo or something...

Hope this helps~ :)

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