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Rudik [331]
2 years ago
13

M

Chemistry
2 answers:
finlep [7]2 years ago
7 0

Answer:

184N is my force wen carting a backpack

alexgriva [62]2 years ago
5 0

Answer:

183N

Explanation:

183N we have to add both mass

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shutvik [7]
The answer to this would be true.
4 0
2 years ago
The mass lost by the positive electron should equal the mass gained by the negative electrode suggest two reasons why the result
vesna_86 [32]

Answer:

The gain in mass by the negative electrode is the same as the loss in mass by the positive electrode. So the copper deposited on the negative electrode must be the same copper ions that are lost from the positive electrode.

3 0
2 years ago
An element forms an oxide, E₂O₃, and a fluoride, EF₃.(a) Of which two groups might E be a member?
Fittoniya [83]

a) The E might belong to group 13.

As the formula of a chemical compound is derived by the cross multiplication of the valency of the atoms. As formula of the given oxide is  and valency of O atom is -2, therefore valency of element E must be +3 in order to obtain E2O3.

Also, in EF3, the valency of E will be +3 because there are three atoms of fluorine who has an individual valency of -1. Thus, e will have the valency of +3.

The Group 13 is the boron group which has the following elements:

  • Boron
  • Aluminium
  • Gallium
  • Indium
  • Thallium

All these elements have the valency of +3.

To know more about Valency, refer to this link:

brainly.com/question/12717954

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8 0
1 year ago
Please help answering 11)
8090 [49]

Answer:

the answer is C

Explanation:

8 0
3 years ago
Temperature Conversions
Minchanka [31]

Answer:

né si è fatto che non mi hai detto niente

Explanation:

buongiorno

7 0
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