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2 years ago

Explain phase changes and the relationship between kinetic energy and intermolecular forces.

Chemistry

1 answer:

White raven [17]2 years ago

8 0

Answer:

If we increase the temperature, the average kinetic energy increases, and that means the molecules are more likely to have enough kinetic energy to go into or stay in the gas phase. (Thus, they are called intermolecular forces, to separate them from the forces inside molecules that hold the molecules together.)

Explanation:

here you go:)

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Complete the following precipitation reactions with balanced molecular, total ionic, and net ionic equations:

Dmitry [639]

Molecular equation

Hg₂(NO₃)₂ (aq) + KI(aq) ⇒Hg₂I₂(s) + 2KNO₃(aq)

Total Ionic equation

Hg²⁺(aq) + 2NO³⁻(aq) + 2K⁺aq) ⇒Hg₂I₂(s) + 2K⁺(aq) + NO³⁻ (aq)

Net Ionic equation

Hg²⁺(aq) + 2I⁻(aq) ⇒ Hg₂I₂(s)

<h3>What is the molecular equation?</h3>

Sometimes, a balanced equation is all that is used to refer to a chemical equation. Any ionic substances or acids are represented using their chemical formulas as neutral compounds in a molecular equation. Each substance's state is described in parenthesis after the formula. A complete ionic equation also contains the spectator ions, whereas a net ionic equation just displays the chemical species that are involved in a reaction.

The steps listed below can be used to determine the net ionic equation for a specific reaction:

Include the states of each chemical in the balanced molecular equation for the reaction.

To know more about the molecular equation, visit:

brainly.com/question/14286552

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4 0

1 year ago

In a carbon-carbon triple bond, what is the nature of the bonding between the carbons?

maxonik [38]

A triple bonded carbon is called an alkyne. (with a y, e for double bond, a for single bond)

4 0

3 years ago

URGENT PLEASE HELPIf 25 grams of liquid water releases 75J of heat when water cools from 88 degrees Celsius what is the final te

Sergeu [11.5K]

Answer:

HEY RUBY!! WE ARE BOTH FAILING!!!!!!!

Explanation:

#&-78$#'☠️

6 0

2 years ago

If the formation of NaCl proceeds according to the following equation and change in enthalpy, what is the reaction and change in

Sergio039 [100]

Answer:

2NaCl → 2Na + Cl₂, ΔH = 822 kJ

Explanation:

The chemical equation for the formation of NaCl is:

Na + (1/2) Cl₂ → NaCl , ΔH = - 411 kJ

That equation means that 1 mole of NaCl is formed by the reaction of 1 mole of Na and 1/2 mole of Cl₂, with a release of energy of 411 kJ.

The decomposition of NaCl is the inverse of the formation reaction; thus, you swift products and reactants and inverse the sign of the change in enthalpy:

NaCl → Na + 1/2 Cl₂, ΔH = 411 kJ

Since you want the decomposition of 2 moles you multiply the equation and the ΔH by 2:

2NaCl → 2Na + Cl₂, ΔH = 822 kJ ← answer

3 0

2 years ago

The chemical energy created is stored as ___________________ or __________________.

svp [43]

Chemical energy is kept inside the bonds that are connected to withatoms with other atoms and molecules with other molecules.

Because chemical energy is kept in likestorage. It is an shape of potential energy.

When a chemical reaction takes place, the stored chemical energy is let out.

5 0

3 years ago