What can account for the increased potential energy when atoms are close together?

question options:

a. their opposite charges

b. electron repulsion

c. the breaking of a bond

d. proton to proton repulsion

The correct answer is D.

Explanation:

The increase in potential energy when atoms are closer and closer is due to the force of repulsion Proton by Proton. The potential energy that a molecule may have will be due to the forces of attraction and repulsion with other molecules in its environment. The greater the force of repulsion, the greater the potential energy between the atoms.

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hey there!

boiling point is the temperature at which the vapor pressure of the liquid equals atmospheric pressure. the vapor pressure of solvent molecules is decreased when a solute is added, so a higher temperature is required to increase the number of solvent molecules in the gas phase above the liquid.

at the freezing point, the vapor pressures of the solid and liquid are equal; a lower temperature is needed to reduce the number of solvent particles above the liquid.

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tobey

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.