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

1. Suppose that a recipe calls for an oven temperature of 189°F. Convert this temperature to degrees Celsius and to kelvins.

--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 6:24am
1.

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~ :)

## Answer this Question

## Related Questions

- chem - A 455-g chunk of iron is removed from an oven and plunged into 385g water...
- chemistry - i keep trying to do these problems and i don't understand them. ...
- help chem - A 0.236g sample of carbon dioxide, CO2, has a volume of 595mL and a ...
- Proportions - To convert a temperature in degrees Celsius to degrees Fahrenheit...
- Chemistry - The SI temperature unit is Celsius? A kelvin is the same temperature...
- Physics - A brass plug is to be placed in a ring made of iron. At 20 degrees ...
- Algebra - In the metric system there are two official temperature scales: degree...
- Math - To convert a temperature in degrees Celsius to degrees Fahrenheit ...
- Math - To convert a temperature in degrees Celsius to degrees Fahrenheit ...
- Chemistry - A 455-g chunk of iron is removed from an oven and plunged into 385g ...