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Ludmilka [50]
2 years ago
12

After one half life ___% of the atoms will change to a stable

Chemistry
1 answer:
Nezavi [6.7K]2 years ago
3 0

Answer:

the answer is 30% if the atoms will change to a stable

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During an ice age, land can move and specific areas can be permanently changed. true or false
givi [52]

Answer: The given statement is true.

Explanation:

It is known that due to increase in temperature ice melts. Therefore, during ice age there is also melting of ice and solid state of water changes into liquid state of water.

Therefore, this water moves from its initial place and changes its position result in the change of land and specific areas.

Thus, we can conclude that the statement during an ice age, land can move and specific areas can be permanently changed is true.

5 0
3 years ago
What is the Gibbs free energy?
Dimas [21]
It's a thermodynamic quantity equal to the enthalpy minus the product of entropy and the absolute temperature
7 0
3 years ago
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You've made a hot drink by dissolving a teaspoon of instant coffee and a teaspoon of sugar in a cup of hot water. Which of the f
ollegr [7]

Answer: The statement, you've just prepared an aqueous solution is true.

Explanation:

When one or more number of substances are dissolved in a solvent like water then solution formed is called an aqueous solution.

For example, when a hot drink is made by dissolving a teaspoon of instant coffee and a teaspoon of sugar in a cup of hot water is an aqueous solution.

Here, both coffee and sugar are solute whereas hot water is the solvent.

Thus, we can conclude that the statement, you've just prepared an aqueous solution is true.

3 0
2 years ago
The oxidation numbers of nitrogen in NH4+, N2O5, and NaNO3 are, respectively:
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-III I
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6 0
3 years ago
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A. Acid rainfall will cause a decrease in oceanic surface temperatures.
laiz [17]

Answer:

Increased atmospheric carbon dioxide will cause increased ocean surface temperatures.

Explanation:

Greenhouse gases of which CO2 is a typical example are known to cause a gradual and steady increase in the surface temperature of the earth by trapping infrared rays close to the surface of the earth.

As the surface temperature of the earth rises, the surface temperature of the oceans rises also leading to the tendency towards hurricanes.

Hurricanes are violent storms which are known to form near the equator over warm ocean waters.

Hence, increased atmospheric carbon dioxide will cause increased ocean surface temperature which in turn increases the chances of the occurrence of hurricanes.

6 0
2 years ago
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