Please help asap,

1 answer:

5 0

10. Capital C and D represent products of chemical reaction, the capital A and B represent reactants, the lower case letter represent coefficients (how many atoms or molecules in chemical reaction).
12. According to Le Chatelier's principle (if the concentration is changed, that will shift the equilibrium to the side that would reduce that change in concentration) the equilibrium shift to the left.
13. According to Le Chatelier's principle the equilibrium shift to the right.
14. According to Le Chatelier's principle (When the reaction is exothermic, heat is included as a product) the equilibrium shift to the right.

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Can someone please explain me the difference between physical changes and physical properties and of chemical changes and chemic

morpeh [17]

Answer:

Explanation:

Physical properties and physical change:

Physical properties are the properties of substance that do not involve the change in to another matter while the process through which change is happen is called physical change.

For example,

Melting point is physical property and the process "melting" is called physical change.

Freezing point is physical property and the process "freezing" is called physical change.

Chemical property and chemical change:

Chemical property is the ability of substance to change into another substance while the process through through which it is happen is called chemical change or chemical reaction.

For example:

The chemical property of iron is to react with oxygen and form rust. This process or chemical change is called corrosion. So corrosion is chemical change.

Hydrocarbon react with oxygen and form water and carbon dioxide. It is the chemical property. While the process is called combustion so combustion is a chemical change.

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MaRussiya [10]

Lipids cannot be compressed since there is only a small distance between the molecules when bonded

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Describe what happens when ionic and covalent (molecular) substances dissolve. Fill in the blanks using the options below:covale

Lena [83]

1. ionic compound , aqueous cations and aqueous anions

2. covalent compound aqueous covalent compound

Explanation:

1. A(n) ionic compound dissolves in water , H₂O(l), will produce aqueous cations and aqueous anions in solution.

When NaCl dissolves in water it will produce Na⁺ and Cl⁻ ions in solution

2. A(n) covalent compound  dissolves in water , H₂O(l), will produce aqueous covalent compound in solution.

When Ammonia (NH₃) dissolves in water it forms aqueous ammonia, NH₃(aq)

Organic compounds, like carbohydrates, proteins, nucleic acids, and lipids, are all good examples of covalent compounds.

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7. How many electrons can a single orbital hold?

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“It can hold two electrons”

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For it wont freeze and you dont fall.. hoped i help

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