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Blizzard [7]
4 years ago
6

Copper is used for electrical wirin g and cooking pans however iron is much more common on earth than copper why might copper be

used instead of iron if iron is easier to maintain
Chemistry
1 answer:
pishuonlain [190]4 years ago
8 0
Because copper has a higher electrical and thermal conductivity than iron and is not susceptible to oxidation as easily.
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How many significant digits should be used to report the answer to each of the following calculations? (2.75518 + 9.01 + 3.3349)
Allisa [31]

Answer:

2

Explanation:

You write your answer with the same number of significant figures as the number with the smallest amount of figures, in this case, that number is 2.1 so your answer should be written with 2 significant figures.

6 0
3 years ago
Which statement explains why a molecule of CH4 is nonpolar?
Lerok [7]

Answer:

The geometric shape of a CH4 molecule distributes the charges symmetrically.

Explanation:

The dipole moment is ruled by the compound's geometry and elements electronegativity difference.

Arranging the forces acording to the elements electronegativity difference withing the molecule geometry will yeld the dipole moment.  

If the forces cancel out, it is a nonpolar compound.

If the forces does not cancel out it is a polar compound.

Picture of such analysis for methane is attached.

3 0
4 years ago
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What is the source of EXTERNAL energy for Earth's spheres and systems?
Naya [18.7K]

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3 0
3 years ago
H₃C-Ç=CCH₃<br>сна сHз (what is the name of this <br> chemical formula)​
algol [13]

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3 0
4 years ago
What is T2, if T1= 500 k, v1=10L, V2=8L,P1=600 torr,P2=200 torr?
Molodets [167]

Answer:

T2 = 133.333°K

Explanation:

Using Combined Gas Laws:

(600 torr)(10L)/500°K = (200 torr)(8L)/x°K

\frac{600 torr(10L)}{500K} =\frac{200 torr(8L)}{xK}

Cross multiply:

x°K (600 torr)(10L) = 500°K(200 torr)(8L)

Divide:

x°K = (500°K(200 torr)(8L))/(600 torr)(10L)

xK = \frac{500K(200 torr)(8L)}{600 torr(10L)}

x = 400/3°K or 133.333°K

8 0
3 years ago
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