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Step2247 [10]
3 years ago
11

Identify the two gases jn the unknown mixtures.

Chemistry
2 answers:
svetoff [14.1K]3 years ago
8 0

Answer:

Fa (rt) and Nitrogen

Explanation:

mr_godi [17]3 years ago
3 0

Answer:

I believe Gases A and D

Explanation:

The lines in both gases match up with the lines in the unknown mixture.

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Which element has chemical properties that are most similar to potassium?
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Answer:

nitrogen is the answer because of the same position of group in periodic table

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Which of the following is the general definition of a gas?
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Choice 2 possibly, not positive
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4 years ago
What is the name of IBr4?<br> And is it covalent or ionic?
BlackZzzverrR [31]

Answer: The name of the IBr_4 is Iodine tetrabromide and it is a covalent compound.

Explanation:

Inter-halogen compounds are compounds which composed of two different halogen atoms. For example ;ICl_3,IF_5 etc.

The naming is done by first writing the central atom symbol's name followed by the prefix corresponding to the number of atoms of another halogen atom like: Mono for 1, di ,for 2 tri for 3, tetra for 4 , penta for 5 etc. After this name of the another halogen is written with suffix 'ide' in the end.

The name of the IBr_4 is Iodine tetra bromide.

In halogen compounds, the difference in electronegativities is not so large due to which they form covalent compounds by the means of sharing the electrons. Hence the Iodine tetrabromide  covalent compound.

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3 years ago
Explain what happens to the particles in a substance during a physical change.
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When a physical change occurs, the arrangement of particles within the substance may change, but the atoms in the molecules remain bonded together.
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One afternoon, Anne leaves her house and walks 5 blocks north to the post
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