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rodikova [14]
3 years ago
13

What reason best explains why metals are ductile instead of brittle

Chemistry
1 answer:
Aliun [14]3 years ago
7 0
Metals are made up of layers of positively charged kernals so when we hit it it slides over each other and keep on expanding
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Which of the following statements about the nucleus is false?
GarryVolchara [31]

Answer:

B. Able to be lost or gained in chemical reactions.

6 0
2 years ago
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How many miles of C atoms are present in a sample of 3.85x1024 C atoms?
alekssr [168]
Answer:
number of moles = 6.393 moles

Explanation:
One mole of any substance contains Avogadro's number (6.022 * 10^23) of atoms. 
Therefore, to know the number of moles that contain 3.85 * 10^24 atoms, all we have to do is cross multiplication as follows:
1 mole ......................> 6.022 * 10^23
?? moles ..................> 3.85 * 10^24
number of moles = (3.85 * 10^24 *1) / (6.022 * 10^23)
number of moles = 6.393 moles

Hope this helps :)
8 0
3 years ago
_HNO3 + _Al(OH)3
bekas [8.4K]

Answer:

Option D. 3, 1, 3, 1

Explanation:

From the question given above,

HNO₃ + Al(OH)₃ —> HOH + Al(NO₃)₃

The equation can be balance as follow:

HNO₃ + Al(OH)₃ —> HOH + Al(NO₃)₃

There are 3 atoms of N on the right side and 1 atom on the left side. It can be balance by 3 in front of HNO₃ as shown below:

3HNO₃ + Al(OH)₃ —> HOH + Al(NO₃)₃

There are a total of 6 atoms of H on the left side and 2 atoms on the right side. It can be balance by 3 in front of HOH as shown below:

3HNO₃ + Al(OH)₃ —> 3HOH + Al(NO₃)₃

Now, the equation is balanced.

Thus, the coefficients are 3, 1, 3, 1

7 0
3 years ago
What do the subscripts in the formula for ethane represent?
Sedaia [141]

Answer:

the number of carbon and hydrogen atoms present in the molecule of Ethane that is it contains two carbon atoms and six hydrogen atoms

Explanation:

8 0
3 years ago
Help with this question plz
Triss [41]
Increase, because you need heat to melt a solid to a liquid, so the temperature will have to get greater.
6 0
3 years ago
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