Question

When a substance is boiled, what happens to the mass?

There is no mass once the substance becomes a gas.
The mass stays constant as it changes from a liquid to a gas.
The mass decreases as it changes from a liquid to a gas.
The mass increases as it changes from a liquid to a gas.

Answer 1

@KamiBug

Answer 2

The mass decreases as it changes from a liquid to a has. because the gas starts to rise if it didn't decrease it would stay at the same level or it would sink.

Answer 3

Okay thanks!

Answer 4

yep

Answer 5

Mass stays the same... the fact that a gas starts to rise is due to the gas having lower density, not mass.