What is the maximum amount of NaCl that can dissolve in 300 g of water? (the solubility of NaCl is 36.2 g/100 g H2O at 20 ⁰C.) please don't do the work.What chemistry equation do I have to use to solve this?

Answers

Answer 1

Answer: 102g is the amount that can be dissolved

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Which statement best describes how an ionic bond forms? a.The transfer of electrons forms strong bonds between ions.
b. The sharing of electrons forms strong bonds between ions.
c. The transfer of electrons results in attractive forces between molecules.
d.The sharing of electrons results in attractive forces between molecules.

Answers

The question says,'which statement best describes how an ionic bond forms. The correct option is A. Ionic bonds are formed as a result of complete transfer of electrovalence electrons from one atom to another. The atom that donate the electron become a positively charged ion while the atom that received the atom become a negatively charged ion.

The answer is (A) The transfer of electrons forms strong bonds between ions.

28 Which compound yields H + ions as the only positive ions in an aqueous solution?(1) KOH (3) CH3OH(2) NaOH (4) CH3COOH

Answers

The compound that yields H+ as the only positive ions when in solution are generally acidic.

Definition of acids

Acids are generally defined as substances that produce hydrogen ions as their only positive ions in aqueous solutions.

Going by this definition, only CH3COOH is able to ionize in an aqueous solution according to the following:

CH3COOH ---------> CH3COO- + H+

Others ionize to give positive ions other than H+.

More on the definition of acids can be found here: brainly.com/question/3655298

Answer: (4) $CH_3COOH$

Explanation:-

According to Arrhenius concept, a base is defined as a substance which donates hydroxide ions $(OH^-)$ when dissolved in water and an acid is defined as a substance which donates hydronium ions $(H_3O^+)$ in water.

1. $KOH$ is a strong electrolyte and thus dissociate in water. $KOH\rightarrow K^++OH^-$

2. $CH_3OH$ is a non electrolyte and thus do no dissociate in water.

$CH_3COOH\rightarrow no reaction$

3. $NaOH$ is a strong electrolyte and thus dissociate in water.

$NaOH\rightarrow Na^++OH^-$

4. $CH_3COOH$ is a weak electrolyte and thus partially dissociate in water.

$CH_3COOH\rightleftharpoons CH_3COO^-+H^+$

Ionic crystals are excellent insulators and can hold a large amount of heat before melting or boiling.TRUE

FALSE

Answers

It is a true fact that ionic crystals are excellent insulators and can hold a large amount of heat before melting or boiling. The correct option among the two options that are given in the question is the first option. Salt is a great example of ionic crystals and we know that it takes a huge amount of time to melt or boil.

During nuclear fission and fusion, what is matter that seems to disappear actually converted into?mass
energy
volume
nuclei

Answers

Hi! The answer is Energy. I hope this helped, Goodluck :)

my best guess is energy

Compare the arrangements of individual particles in solids, liquids, and gases

Answers

In a gas, the particles are evenly spaced out and not in any particular order. There is no regular arrangement of liquid next to one another. Solids are regularly arranged and closely packed.

What are solids, liquids, and gases?

They can be compressed a lot (particles are widely spaced). Matter exists in three different states: solid, liquid, and gas.

By examining the configuration of their particles, it is possible to understand why they have various qualities.

A solid is a condition of matter that, even when unconstrained, keeps its shape and density.

A liquid is a nearly incompressible fluid with a (almost) constant volume regardless of pressure that adapts to the shape of its container.

A sample of matter that assumes the shape of the container it is stored in and develops a consistent density inside the container is referred to as a gas.

Therefore, the arrangements of individual particles in solids, liquids, and gases is different.

Learn more about solids, liquids, and gases here:

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Solids - particles are very close together (highest density on the list)
Liquids - the particles slide past one another
Gases - particles bounce off of surroundings and the same particles of the gas

Match the following chemical reactions:synthesis, reversible, exchange, decomposition

1. molecules rearrange and form new molecules
2. simultaneous decomposition and synthesis
3. bonds broken and elements released
4. molecules formed from components

Answers

Answer:

Synthesis - 4

reversible- 2

exchange- 1

decomposition-3

Explanation:

In synthesis reaction two or more components combines to form a single product. example 2H2+O2⇒2H2O

In reversible reaction two reactants combine to form two products . The products then reacts and forms back the reactants. example N2 +3H2 ⇒2NH3

In exchange reaction there is an alternation of ions of reactants to form new products. AB+CD ⇒AC + BD

In decomposition reaction, molecules of a compound break down by the action of heat or light or catalyst. example CaCO3 ⇒CaO +CO2

Final answer:

Synthesis involves creating new molecules from components, while Decomposition involves breaking molecules down into their separate elements. Exchange is when molecules rearrange and form new molecules, and Reversible reactions can go forward or backwards.

Explanation:

In chemistry, various types of chemical reactions have different characteristics. Here's how they match with the provided definitions:

Synthesis corresponds with 'molecules formed from components'(4) since synthesis is a type of chemical reaction where two or more simple substances combine to form a more complex substance.
Reversible doesn't correspond directly with any of these definitions, but it designates a reaction that can proceed in either direction - from reactants to products or from products back to reactants.
Exchange relates to 'molecules rearrange and form new molecules'(1) because an exchange reaction is one in which compounds exchange elements or groups in order to form different compounds.
Decomposition is 'bonds broken and elements released'(3). In a decomposition reaction, a compound is broken down into simpler substances.

Learn more about Chemical Reactions here:

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