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Tema [17]
2 years ago
9

The weights of all elements are always compared to oxygen. True False

Chemistry
2 answers:
kozerog [31]2 years ago
8 0

Answer:

false

Explanation:

I'm pretty sure it's compared to carbon

konstantin123 [22]2 years ago
6 0
False proble I think it is false
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The dumping of wastewater from this pipe is an example of what type of pollution?
Veseljchak [2.6K]

Answer:

dumping of wastewater is an example of water polution.

Explanation:

water polution is when an alienated foreign contaminent is put into a water source either intentionally or accidentally

3 0
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Cual es la contribucion importante de los alquimistas
Lelechka [254]

Answer:

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Explanation:

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3 years ago
Which of these equations best summarizes photosynthesis?
elena-14-01-66 [18.8K]

Answer: C

Explanation:

                                              Sunlight

6 CO2       +          6 H2O   -------------->            C6H12O6    +        6 O2

                                            Chlorophyll

Carbon(IV)oxide   Water                               Glucose              Oxygen

7 0
3 years ago
23.It is possible to dilute a solution by...Select one:a. adding more solute to the solution.b. adding more solvent to the solut
joja [24]

To dilute a solute in a solution, it is necessary to add a proper solvent for the reaction to occur, and adding more solvent will cause the solution to dilute even more, therefore the best answer will be letter B

7 0
1 year ago
Write the balanced half equation of iron 2 and permanganate in a solution of acid. Show all of your work.
Aleks [24]

Answer:

5Fe⁺² + MnO₄⁻ + 8H⁺ => 5Fe⁺³ + Mn⁺² + 4H₂O

Explanation:

Fe⁺² + MnO₄⁻ +  H⁺ => Mn⁺² + Fe⁺³ +  H₂O

5(Fe⁺² => Fe⁺³ + 1e⁻)      =>                        5Fe⁺² => 5Fe⁺³ + 5e⁻

<u>MnO₄⁻ + 5e⁻ => Mn⁺²    =>   MnO₄⁻ + 8H⁺ + 5e⁻ => Mn⁺² + 4H₂O</u>

                                      =>  5Fe⁺² + MnO₄⁻ + 8H⁺ => 5Fe⁺³ + Mn⁺² + 4H₂O

6 0
2 years ago
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