answersLogoWhite

0


Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: What does a negative Hf for a molecule reaction?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What does a negative Hf for molecule mean?

Energy was released when the molecule was formed from its elements


What is the dominant intermolecular force in HF?

The dominant intermolecular force in HF is hydrogen bonding. This is a strong dipole-dipole attraction that occurs between the slightly positive hydrogen atom of one HF molecule and the slightly negative fluorine atom of another HF molecule.


A molecule having slightly negative and positive ends with regard to change?

A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative. A diatomic molecule that consists of a polar covalent bond, such as HF, is a polar molecule.


Because the electrons in a molecule of hydrogen fluoride (HF) are more strongly pulled toward the fluorine atom the molecule is nonpolar.?

That statement is incorrect. HF is a polar molecule because fluorine is more electronegative than hydrogen, causing the electron density to be pulled closer to the fluorine atom. As a result, HF has a partial positive charge on the hydrogen atom and a partial negative charge on the fluorine atom.


How is delta hf related to the delta h of the reaction?

The standard enthalpy change of a reaction (delta H) is related to the standard enthalpy of formation (delta Hf) of the products and reactants involved in the reaction by the equation: delta H = Σ(Products delta Hf) - Σ(Reactants delta Hf). This equation relates the enthalpy change of a reaction to the enthalpies of formation of the substances involved in the reaction.


which of the following describes an endothermic reaction?

Hf, products > hf, reactants


What is the chemical reaction of HF and water?

The reaction of HF with water is a reversible reaction that forms hydronium ions and fluoride ions. It can be represented as: HF + H2O ⇌ H3O+ + F-


How is the H related to the H of a reaction?

The h reaction is the difference between Hf products and Hf reactants - apex


How is Hf related to the H of a reaction?

The Hreaction is the difference between Hf, products and Hf, reactants


Which of the following describes an exothermic reaction A. ht reactants equals 0 B. ht reactants ht products C. ht equals ht D. ht ht?

Hf, reactants > Hf, products apex


What is the molecule formula for hydroflouric acid?

HF is the formula.


What type of reaction is HCl plus F2-HF plus Cl2?

The reaction HCl + F2 --> HF + Cl2 is a redox reaction, specifically a single replacement reaction. Hydrogen chloride (HCl) reacts with fluorine (F2) to produce hydrogen fluoride (HF) and chlorine (Cl2).