3 years ago

The colision of two plates causes the fomation of _____ mountain

1 answer:

Zanzabum3 years ago

3 0

The collision of two plates causes the formation of fold mountains.

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Alisiya [41]

1. Hydrogen
2. 11
3. Alkali metals
4. Increases
5. Increases
7. Seven
8. Less
9. hydrogen
10. Idk

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3 years ago

Cloud [144]

Answer:

It is given in the question that molarity of the sulphuric acid is 2M, the volume of the sulphuric acid is 20 mL, the volume of the solution is 1`L.

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3 years ago

Aleks04 [339]

If Enthalpy is positive, the reaction is endothermic.
If Enthalpy is negative, the reaction is exothermic.

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3 years ago

Triss [41]

b would be the best none of the rest make any sense.

6 0

3 years ago

sergeinik [125]

Volume of room = $7.2 m \times 5.8 m \times 3.9 m$

= $162.864 m^{3}$

Now, according to conversion factor, convert 6,400 mg to micrograms

Since, 1 mg is equal to 1000 microgram.

Therefore, 6,400 mg = $6,400 \times 1000$

= 6,400,000 micrograms of acetone.

To calculate concentration of acetone, divide volume and evaporated amount of acetone in micrograms.

Thus,

Concentration of acetone = $\frac{6,400,000 microgram}{162.864 m^{3}}$

= 39296.5910 microgram per cubic meter or $3.92\times 10^{4} \mu g/m^{3}\simeq 4.0\times 10^{4} \mu g/m^{3}$

Hence, concentration of acetone is equal to $4.0\times 10^{4} \mu g/m^{3}$

7 0

3 years ago