Explain this phenomenon a drop of petrol makes a finger colder than a drop of water

Petrol takes its latent heat of vaporization from the finger. Petrol doesn't have the chemical bond that water has so therefore less surface tension so it evaporates (dries) much more quickly. When it evaporates it cools your skin so it feel cold to the touch.

Explanation:

Also, in the future it may help to adjust the subject since you have this in the spanish category instead of science. (Hope this helps!) :)

1. when students come to class, everyone.

2. ricardo hasn't seen his father in six months. when you see it,.

3. good friends when they're in trouble.  

4. it's the end of the wedding. the groom and the bride.

5. my girlfriend and i are getting married because a lot.

6. irene and vicente many electronic messages when you don't see them.

7. i talk to my sister every day. we do every day.

8. when sandra goes out to eat with her friends, they at the restaurant.

explanation:

as i can translate spanish i'm thinking that you want the translation so here they are for each one of them.

hopes this you mi amigo : ).