Complete this sentence. the melting point of a sample will when the size of the sample increases.

decrease
increase
stay the same
be unable to be determined

Answer : option C) Stays the same.

Explanation : The melting point of a sample will remain the same when the size of the sample increases.

Melting point is a property of a substance which does not changes with the sample size. It does not depends on the size of the sample, it is specific for specific compounds. It depends on intermolecular forces of attraction between the molecules of the substance.

if you mean hydrogen and oxygen then water is the product

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.