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katrin [286]
3 years ago
13

What kind of chemical change involves breaking down substances using electricity?

Chemistry
2 answers:
Vesnalui [34]3 years ago
8 0
The chemical change that involves breaking down substances using electricity is C. Electrolysis.
irga5000 [103]3 years ago
3 0
The answers to the question is C.

As we know that Electrolysis<span> is the process by which ionic substances are broke down into substances when an electric current is passed through them.</span><span>In chemical change the substance loses or gains an </span>electron<span>(oxidation or reduction). The process is carried out in an </span>electrolytic cell.
I hope is helped.
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How many meters are there for 1km
Hoochie [10]

Answer:

1000 meters

Measure of Lengths

10 millimeters (mm) = 1 centimeter (cm)

10 centimeters = 1 decimeter (dm) = 100 millimeters

100 centimeter = 1 meter (m) = 1,000 millimeters

1000 meters = 1 kilometer (km)

Explanation:

Hope this helps :)

5 0
3 years ago
Read 2 more answers
Corrosion is what type of chemical change?
Nostrana [21]
Answer A

Oxidation.

hope this helps!
5 0
3 years ago
What occurs along a convergent plate boundary
HACTEHA [7]
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
8 0
3 years ago
44.2124+0.81+7.335 significant digits
zhenek [66]

52  

Explanation:

We need to understand and apply the rules of significant figures when carrying out addition operations to solve this problem:

Rules of significant figures:

  • Non-zero digits are always significant in a given number
  • Any zeros between two significant digits are significant.
  • A final zero or trailing zeros in the decimal portion is significant.
  • Any leading zero in a decimal is significant.

In addition, the answer of the sum is given to the least number of significant digits of the given numbers:

 

        44.2124

    +    0.81

    +    7.335

sum  52.3574          

Now the least number of significant figure is 2 as seen in 0.81

we round the sum up to 52  

learn more:

Significant numbers brainly.com/question/6384538

#learnwithBrainly

4 0
3 years ago
Explain what makes a covalently bonded molecule polar. Use the molecules of CH4 and CH3F as examples in your explanation.
RideAnS [48]

Answer:

See explanation

Explanation:

The magnitude of electronegativity difference between atoms in a bond determines whether that bond will be polar or not.

If the electronegativity difference between atoms in a bond is about 1.7, the bond is ionic. If the electronegativity difference is greater than 0.4 and less than 1.7, the bond will have a polar covalent character. Lastly, if the electronegativity difference between the bond is less than or equal to 0.4, the covalent bond is non polar.

The electronegativity difference between carbon and hydrogen is about 0.4 which corresponds to a nonpolar covalent bond hence the molecule is nonpolar.

The electronegativity difference between carbon and fluorine is about 1.5 indicating a highly polar bond. This gives CH3F an overall dipole moment thereby making the molecule polar.

8 0
2 years ago
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