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trasher [3.6K]
3 years ago
5

Which of the following is an example of how pictures of a planet's surface can provide evidence about the planet's natural resou

rces?
Chemistry
1 answer:
iren2701 [21]3 years ago
5 0

Answer:

it can show how much green is left. and how climate change is going, and the cloud shows how much oxygen is left in the air.

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Which of the following statements regarding spontaneous changes is false?A. Spontaneity is favored when heat is released.B. Spon
ArbitrLikvidat [17]

Answer: Option (E) is the correct answer.

Explanation:

A spontaneous reaction is defined as the process which tends to occur on its own. And, a non-spontaneous reaction is defined as a process for the completion of which we have to provide certain conditions.

For example, ice melting at 25^{o}C is spontaneous primarily due to the increase in molecular disorder (dispersal of matter). Also, melting of ice is taking place on its own without any external force.

It is not necessary that all exothermic reactions will be exothermic in nature.

Thus, we can conclude that the statement all exothermic reactions are spontaneous, is false.

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3 years ago
A very small country that has managed to stay independent of their larger neighbors. (Example: Vatican City)
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First option (Independent State)

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What is the Relative Formula Mass of Potassium bromide?
Aleonysh [2.5K]
The relative formua for Potassium bromide is Kbr
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3 years ago
16.
mixas84 [53]

Answer:

Explanation:

When going from top to bottom in any group of the periodic table, the atomic radius always tends to increase

8 0
2 years ago
The Element rhenium has two naturally occurring isotopes, 185 Re and 187 Re, with an average atomic mass of 186.207 amu. Rhenium
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To calculate the average mass of the element, we take the summation of the product of the isotope and the percent abundance. In this case, the equation becomes 186.207=187*0.626+185*x where x is the percent abundance of 185. The answer is 0.374 or 37.4%. This can also be obtained by 100%-62.6%= 37.4%. 
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