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love history [14]
3 years ago
6

Which of these best describes a flight that is approaching the speed of sound

Chemistry
2 answers:
liberstina [14]3 years ago
8 0
More drag is created because the air molecules are not moving out of the way of the airplane      
bagirrra123 [75]3 years ago
4 0
More drag is created because the air molecules are not moving out of the way
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It refers to the cracked sections of the earth's crust.
poizon [28]

Answer:

Plates

Explanation:

The Earth's crust is broken up into sections called plates. Tectonic plates are on the mantle which allow them to move.

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2 years ago
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At what temperature would a 1.50 m nacl solution freeze, given that the van't hoff factor for nacl is 1.9? kf for water is 1.86
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2 years ago
What is the correct name for the compound H2O
Deffense [45]

<u>Answer:</u>

The common name for the compound H2O is water.

<u>Explanation:</u>

The systemic name of H2O is Dihydrogen monoxide.

8 0
2 years ago
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Calculate hydrochloric acid (umol)in 200 ul of a<br> 0.5173Msolution of acid?
strojnjashka [21]

<u>Answer:</u> The moles of hydrochloric acid is 1.0346\times 10^{-4}\mu mol

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

\text{Molarity of the solution}=\frac{\text{Moles of solute}}{\text{Volume of solution (in L)}}

Or,

\text{Molarity of the solution}=\frac{\text{Micro moles of solute}\times 10^6}{\text{Volume of solution (in }\mu L)}}

We are given:

Molarity of solution = 0.5173 M

Volume of solution = 200\mu L

Putting values in above equation, we get:

0.5173M=\frac{\text{Micro moles of HCl}\times 10^6}{200\mu L}\\\\\text{Micro moles of HCl}=1.0346\times 10^{-4}\mu mol

Hence, the moles of hydrochloric acid is 1.0346\times 10^{-4}\mu mol

7 0
2 years ago
Waves move fastest in
Arturiano [62]
The correct answer is high temperature solids
6 0
2 years ago
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