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inysia [295]
3 years ago
5

Helpppppppppppp me pleaseeeeeee​

Chemistry
1 answer:
Cloud [144]3 years ago
4 0

Answer:

VX a small town called to the highest frequency and I wla kmo the

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How many titanium atoms does it contain? titanium has a density of 4.50g/cm3, a pure titanium cube has an edge length of 2.82 in
yKpoI14uk [10]
2.82 inches is are equivalent to 7.16 cm.
The volume of the cube ;
 7.16 × 7.16 ×  7.16 = 367.06 cm³
The density of titanium is 4.5 g/cm³
Therefore; mass will be 4.5 × 367.06 = 1651.77 g
1 mole of titanium has 47.867 g
thus, 1651.77 g is equivalent to  1651.77/ 47.867 = 34.507 moles
According to the Avagadro's constant 1 mole = 6.022 × 10∧23 atoms 
 Therefore, we get 6.022 × 10∧23 × 34.507 = 2.078 ×10∧25 atoms
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3 years ago
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Some activities that are generally considered to be work are not called work by scientists. Explain why.​
Flura [38]

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Certain things we think of as hard work, such as writing an exam or carrying a heavy load on level ground, are not work as defined by a scientist. The scientific definition of work reveals its relationship to energy—whenever work is done, energy is transferred.

For work, in the scientific sense, to be done, a force must be exerted and there must be motion or displacement in the direction of the force.

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2 years ago
Newton's second law of motion uses the formula which states that a force will cause a mass to accelerate. (f = m •
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Newton's second law of motion can be formally stated as follows:

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7 0
3 years ago
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Why is air considered a mixture not a compound?
blondinia [14]
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