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lana [24]
2 years ago
15

Define An Atom.Ty!!!​

Chemistry
2 answers:
astra-53 [7]2 years ago
5 0

Answer:

the basic unit of a chemical element.

Explanation:

snow_lady [41]2 years ago
3 0
<h2>Atom :</h2>

=> the smallest particle of a chemical element that can exist.

-------☆゚.・。゚ᵴɒƙυᴚᴀ_ƨȶäᴎ❀

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Carbon-14 has a half-life of 5,730 years. How long will it take for 112. 5 g of a 120. 0-g sample to decay radioactively? 5,730
vichka [17]

The time taken by Carbon-14 to decay radioactively from 120g to 112.5g is 22,920 years.

<h3>How do we calculate the total time of decay?</h3>

Time required for the whole radioactive decay of any substance will be calculated by using the below link:

T = (n)(t), where

  • t = half life time = 5730 years
  • n = number of half life required for the decay

Initial mass of Carbon-14 = 120g

Final mass of Carbon-14 = 112.5g

Left mass = 120 - 112 = 7.5g

Number of required half life for this will be:

  • 1: 120 → 60
  • 2: 60 → 30
  • 3: 30 → 15
  • 4: 15 → 7.5

4 half lives are required, now on putting values we get

T = (4)(5730) = 22,920 years

Hence required time for the decay is 22,920 years.

To know more about radioactive decay, visit the below link:

brainly.com/question/24115447

#SPJ1

3 0
2 years ago
Under conditions of "feasting", the body favors oxidation/utilization of which source for energy production
mezya [45]
During feasting, there is an increase in the supply of carbohydrates, fats and proteins in the body. Since these macronutrients are in excess, carbohydrates and proteins are utilized or oxidized as a source for energy production. On the otherhand, fats are accumulated as the rate of oxidation of this source does not increase during feasting. 


4 0
3 years ago
Read 2 more answers
What would be the atomic mass of Nitrogen-14​
Maurinko [17]

Answer:

The atomic mass of nitrogen is

<h2>14.0067 u</h2>

<h2><em>You learn more from failure than from success</em></h2>
7 0
2 years ago
Read 2 more answers
What is wind?
barxatty [35]

Answer:

air that moves from high pressure to low pressure

5 0
2 years ago
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Which of the following concerning the effects of temperature and pressure on solubility is/are correct?
just olya [345]

Answer:

None of the options are correct.

Explanation:

1) when the temperature of the solution is increased the solubility of the gas in the liquid decreases , hence option 1 is incorrect.

2)The heat released by the dissolution of an ionic compound in water is heat of hydration of the compound and is independent of the initial temperature of the solution.

3) The solubility of a liquid in water is not affected significantly by the pressure changes in the system as gases only have a significant cahne in solubility with change in pressure.

5 0
2 years ago
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