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Fofino [41]
2 years ago
12

Simple circuit with a power supply, two lightbulbs, a switch and connecting.

Chemistry
1 answer:
DochEvi [55]2 years ago
3 0
Hello! hopefully this can help you out

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Please Help, I did it but I want to make sure, 100 points
Daniel [21]

Answer:

Acid - A compound that increases hydrogen ions (H+) when it is dissolved in a solution

pH - A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water

Base - A compound that increases hydroxide ions (OH−) when it is dissolved in a solution

Litmus paper - Used to measure the pH of substances by determining their hydrogen ion concentration

8 0
3 years ago
Read 2 more answers
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
3 years ago
How to write a balanced chemical equation from empirical formula?
netineya [11]
Let's use the example: H2O --->  H2 + O2
We find how many elements of a product are on one side and how many elements on the other side.
Reactant: H=2 O=1
Product:   H=2 O=2
We need to make the same amount of hydrogen and oxegyn atoms on each side, regardless of how high the numbers are, and we do this by adding coefficients to the compounds.

Reactant: H=4 O=2
Product  : H=4 O=2
2 H2O--->   2 H2 + O2
8 0
3 years ago
Porfavor alguien que me explique los Cambios bioquimicos en los musculos ,sangre e higado durante los ejercicios fisicos y como
german

Answer:

hx see i own right to me I can send it it is not too good to be true that

Explanation:

iibhuuhhhucjdjdjrjnjxnxxhhhbbhhhhbhhbhhhet

8 0
3 years ago
Table 2 Heat of Reaction of NaOH (aq) and HCl(aq) Solution
kondaur [170]

Answer:

the molarity of NaOH is 1.10. And the molarity of HCl is 1.10. And the initial Temp=0.50(°c). and The final Temp= 1.10(°c)

8 0
3 years ago
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