Work to blow a bubble of radius 2R from a heated solution compared with one of radius R

1. A.
   $W_2 = W_1$
2. B.
   $W_2 = 4W_1$
3. C.
   $W_2 < 4W_1$
4. D.
   $W_2 = 0$

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1. A.
   $W_2 = 0$
2. B.
   $W_2 = 4W_1$
3. C.
   $W_2 < 4W_1$
4. D.
   $W_2 = W_1$

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1. A.
   exactly double
2. B.
   slightly more than 4 times
3. C.
   slightly less than 4 times
4. D.
   slightly less than double

Tap an option to check your answer.

1. A.
   slightly less than $4$ times
2. B.
   exactly double
3. C.
   slightly less than double
4. D.
   slightly more than $4$ times

Tap an option to check your answer.