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3 years ago

The ability to react with oxygen is a physical property. True False

Chemistry

2 answers:

inn [45]3 years ago

8 0

The answer for this question is true.

Oxana [17]3 years ago

4 0

Answer:

True.

Explanation:

If no modification is there, such as in melting, the property or change is termed physical. In comparison, chemical properties or changes involve changes in the composition of the substance. The ability to react with oxygen is a chemical property

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Which substance has Hf defined as 0 kJ/mol? H2O (s) Ne (l) O2 (g) CO2 (g)

vlabodo [156]

Answer:

O₂ (g).

Explanation:

All elements that found in nature has heat of formation (Hf) equal 0 J/mol.

So, the substance that has heat of formation (Hf) equal 0 J/mol is O₂ (g).

H₂O is formed from the reaction of hydrogen and oxygen and has Hf, Also, the solidification of H₂O (s) from H₂O (l) has (Hf).

Although, Ne (g) is found in nature and has no Hf, the liquification to form Ne (l) has heat of formation (Hf).

CO₂ (g) is formed from the reaction between carbon and oxygen and so has heat of formation (Hf).

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3 years ago

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Elena-2011 [213]

I think its B because if u increase the mass itll have more force which will increase the momentum

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3 years ago

Which two kinds of information describe weather and not climate?

Fynjy0 [20]

Answer: b & c

Explanation: A-P-E-X

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3 years ago

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Determine whether the statement about identifying a halide is true: Regardless of any concentration of ammonium solution, the pr

frosja888 [35]

Answer:

False

Explanation:

The statement ; Regardless of any concentration of ammonium solution the precipitate of unknown halide after 0.1M AgNO3 will remain is FALSE

This is Because the remaining concentration of AgNO3 is dependent on the solubility of Ag⁺

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3 years ago

What the difference between a sodium atom (Na) and a sodium ion (Nal+)

vichka [17]

Answer:

So a sodium atom has the electronic configuration 2,8,1 meaning it has 1 electron on its outer shell. It has a neutral charge since the number of electrons is equal to the number of protons.

A sodium ion is one that has lost the electron on its valence shell. The electronic configuration is 2,8 and it has a positive charge because it has more protons than electrons.

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