You are asked to burn gas using a bunsen burner in order to boil water. which of the following has no mass?
a) gas
b) heat
c) water
d) water vapor

b) Heat

Explanation:

Gas is a state of matter.

Water is the liquid form of H₂O.

Water vapor is the gaseous form of H₂O.

All states of matter occupy volume and have mass.

Heat is the energy when transferred causes a change in a thermodynamic system. The addition of heat causes temperature to increase. The removal of heat leads to the temperature decreasing.

As heat is just energy it has no mass.

it should be -8.6 cm hope this out

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.