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## Homework Statement

Helium has the special property that its internal energy is directly proportional to its

absolute temperature. Consider a ﬂask of helium with a temperature of 20 C.

If it is heated to twice its internal energy, what will its temperature be?

1. 293 C

2. 313 C

3. 40 C

4. None of these

5. 293 K

6. 313 K

## Homework Equations

## The Attempt at a Solution

I have no idea how to solve this, I thought it would be 40C but the online homework said it was wrong.