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ryzh [129]
3 years ago
8

which type of intermolecular force in water creates the surface tension that allows the stones to skip across the top of the wat

er
Chemistry
1 answer:
s2008m [1.1K]3 years ago
3 0

Answer:

Hydrogen bonding

Explanation:

Water is a compound found readily in nature. It is made up of interatomic forces of covalent bonds that connects the hydrogen and oxygen bonds together in a definite ratio.

  • The intermolecular forces are responsible for the physical properties of substances.
  • These forces allows a compound to behave in certain ways.
  • In water, the intermolecular bonding present are the very strong hydrogen bonds.
  • For this bond type, the hydrogen of one water molecule is firmly attached to the oxygen of another water molecule.
  • The bonds are very strong forces.
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Answer:

\Delta G^0_{rxn}=16.81kJ

Explanation:

Hello!

In this case, since the Gibbs free energy of any process is related with the enthalpy change, temperature and entropy change as shown below:

\Delta G^0=\Delta H^0-T\Delta S^0

For a chemical reaction it is simply modified to:

\Delta G^0_{rxn}=\Delta H^0_{rxn}-T\Delta S^0_{rxn}

Thus, since the enthalpy of reaction is given as -304.2 kJ and the entropy as -414.2 J/K (-0.4142 kJ/K), at 775 K the Gibbs free energy of reaction turns out:

\Delta G^0_{rxn}=-304kJ-775K*(-0.4142\frac{kJ}{K} )\\\\\Delta G^0_{rxn}=16.81kJ

Whose result means this is a nonspontaneous reaction.

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