Mia decided that she wanted to predict the coming weather, so she studied the weather map in the newspaper. She noticed that a front was located over her city, and she knew what to expect from the coming weather.

3 1/4 %

explanation:

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.

a