actividad02

1 . 2000 cal - - - - - > Joules = ____________________ joule

2 . 230 Btu - - - - - > Cal = ____________________ . ____________________ cal

3 . 1250 Erg - - - - - > Btu = ____________________ . ____________________ - ____________________ btu

4 . 2800 J - - - - - > Cal = ____________________ . ____________________ cal

5 . 1800 J - - - - - > Btu = ____________________ . ____________________ bt u