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vlada-n [284]
3 years ago
7

Suppose that you are a scientist who studies climate changes. While examining the rings of tree trunks, you notice several very

large tree rings. What can you conclude about the climate during those years?
Chemistry
2 answers:
alexandr1967 [171]3 years ago
8 0

Answer:

The climate was wet and cold

Explanation:

ValentinkaMS [17]3 years ago
7 0

Answer:

The large tree rings allow you to conclude that the climate was either very warm or wet during those growing seasons, because greater than normal growth occurred.

Explanation: It is the edge sample response

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What volume in litres will 38gr of F2 occupy at 0.999 bar and 273 K
FrozenT [24]

Answer:

V=22.68L

Explanation:

Hello,

In this case, we use the ideal gas equation to compute the volume as shown below:

PV=nRT\\\\V=\frac{nRT}{P}

Nonetheless we are given mass, for that reason we must compute the moles of gaseous fluorine (molar mass: 38 g/mol) as shown below:

n=38 g *\frac{x}{y}  \frac{1mol}{38 g} =1mol

Thus, we compute the volume with the proper ideal gas constant, R:

V=\frac{1mol*0.083\frac{bar*L}{mol*K}*273K}{0.999bar} \\\\V=22.68L

Best regards.

7 0
3 years ago
Explain the way ammonia, salt, and water are alike
WARRIOR [948]
All of them are compounds.
3 0
3 years ago
6. What is the production of a magnetic field by electric current called.
nirvana33 [79]
The answer is electromagnetism.

The definition of electromagnetic is:
relating to the interrelation of electric currents or fields and magnetic fields.

Therefore, the verb form of electromagnetic would be ELECTRONAGNETISM
5 0
3 years ago
Hợp chất nào có khả năng là hợp chất ion cao nhất ?<br>A Al2O3<br>B ScCl3<br>C NO2<br>D CCl4
Rzqust [24]

Answer:

B

Explanation:

hợp chất nào có khả năng là hợp chất ion cao nhất ?

A Al2O3?

B

7 0
3 years ago
Charles law describes the relationship of the volume and temperature of gas at a constant mass and pressure. According to this l
zavuch27 [327]

Answer: Charles's law states that the volume of a given amount of gas is directly proportional to its temperature on the kelvin scale when the pressure is held constant. with k being a proportionality constant that depends on the amount and pressure of the gas.

Explanation:

6 0
2 years ago
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