You are a scientist exploring the surface of a new planet. you find a new substance that you do not recognize. as you attempt to identify this substance you notice that it spreads out rapidly to completely fill the container you keep it in. what state of matter is the new substance in? a solid b liquid c gas dplasm

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.

the awnser is group 12