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Readme [11.4K]
3 years ago
13

13. What physical property is characteristic of all of the elements in the group located in the

Chemistry
1 answer:
zimovet [89]3 years ago
6 0

Answer:

B. gas state at room temperature

Explanation:

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A model represents a place thing or idea. A made is a model as it shows a place and represents the place it’s showing such as a globe

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Which statement BEST describes why licensed health care workers are held to a higher standard?
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They agree to ethical standards when they are licensed.

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3 years ago
Give an example of a chemical reaction during which a single substance breaks<br> down. *
RoseWind [281]

Answer:

2NaCl(l) => 2Na(s) + Cl₂(g)

Explanation:

Electrolysis of melt NaCl to form sodium (Na) metal and chlorine (Cl₂) gas.

This is a class of reaction called 'Decomposition Rxns'. For what it's worth, there are 6 distinct compound types that undergo breakdown by decomposition. The acronym C O A C H E can help remember them.

C - Carbonates => CaCO₃(s) => CaO + CO₂

O - Oxides of Metals => 2Fe₂O₃(s) => 4Fe°(s) + 3O₂(g)

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C - Chlorates, Bromates & Iodates => 2KClO₃(s) => 2KCl(s) + 3O₂(g)

H - Hydroxides => Ca(OH)₂(s) => CaO(s) + H₂O(l)

E - Electrolysis => see above electrolysis of NaCl(l)

6 0
3 years ago
What is the relationship between particle size and wheathering rate
Olegator [25]

The relationship between particle size and wethering rate as the errosion occurs on the surface area.

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4 years ago
In the following reaction, how many moles of H2O are created when 7 moles of oxygen are consumed?
notka56 [123]

Answer:

C

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