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Svetradugi [14.3K]
2 years ago
13

The mole concept will most likely be used in

Chemistry
1 answer:
Ronch [10]2 years ago
3 0

Answer:

Determining how many ozone molecules are lost in the atmosphere.

Explanation:

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What is chemistry? I NEED HELP ASAP!
Thepotemich [5.8K]

the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.

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2 years ago
Eter explores the periodic table and how atoms can combine to form compounds. He uses beads with different sizes and colors as m
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Answer is B-  He can arrange the beads into various formations using different colors and sizes multiple times

Explanation: I hope the helped!

7 0
2 years ago
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Which of the following is a heterogeneous mixture?
Softa [21]
A heterogeneous mixture is a mixture that it's components can be easily seen and separated. 

c. a jar of mixed nuts

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2 years ago
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In the
sweet-ann [11.9K]

Answer:

The acid must be a concentrated acid

Explanation:

Ethene is prepared in the laboratory by heating ethanol with excess concentrated tetraoxosulphate VI acid at 170°C . The reactionoccursc in two stages;

1) when the ethanol and sulphuric acid are mixed in a ratio of 1:2, ethyl hydrogentetraoxosulpate VI is formed

2) The compound formed in the first step is heated in the presence of excess concentrated sulphuric acid to give ethene and sulphuric acid.

The overall reaction can be perceived as the dehydration of ethanol. The gas produced (ethene) is usually passed through sodium hydroxide solution to remove any gaseous impurities present.

concentrated sulphuric acid is used in this process since it is a good dehydrating agent.

7 0
3 years ago
Choose the correct coefficients to balance the following equation:
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B) 1 Zn+ 2HCl--> 1 ZnCl2+1H2 This is balanced
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