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yaroslaw [1]
3 years ago
15

Which of the following statements is correct?

Chemistry
2 answers:
marshall27 [118]3 years ago
8 0

Answer:

that was wrong

ty

Explanation:

RoseWind [281]3 years ago
7 0
D. Blue litmus paper turns red when placed in a base.
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During photosynthesis, plants produce glucose from simple inorganic molecules - carbon dioxide and water - using light.
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HELP! WILL MARK BRAINLIEST! ASAP!!
lilavasa [31]

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Mn is a Paramagnetic

Explanation:

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......................................
Alinara [238K]

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Explanation:

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5 0
3 years ago
Why does beryllium lose electrons when forming ionic bonds,while sulfur gains electrons?
Nadya [2.5K]
Beryllium is a metal so it needs to loose electrons to have a full outer shell while sulfur is a non-metal so it needs to gain electrons to fill its outer shell.
8 0
3 years ago
Balance the following redox equation and identify the element oxidized, the element reduced, the oxidizing agent, and the reduci
earnstyle [38]

The charge of Br changed from –1 to 0, therefore it is the element which is oxidized. Since it is oxidized then Br is also the reducing agent.

 

The charge of Mn changed from +4 to +2 therefore it is the element which is reduced. Since Mn is reduced, then MnO2 is the oxidizing agent.

 

The half –reactions are:

Br: 2Br --> Br2 + 2e-

Mn: MnO2 --> Mn2+

First balance oxygen by adding H2O:

MnO2 --> Mn2+ + 2H2O

Then balance hydrogen by adding H+ ions:

4H+ + MnO2 --> Mn2 + 2H2O

Then the appropriate electrons:

4e- + 4H+ + MnO2 --> Mn2 + 2H2O

 

Multiply the half-reaction of Br by 2 because the half-reaction of Mn has 4 electrons.

4Br --> 2Br2 + 4e-

 

Combine the two half reactions and cancel common factors:

4Br-  +  4H+  +  MnO2 --> 2Br2  +  Mn2  +  2H2O

6 0
2 years ago
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