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Rama09 [41]
4 years ago
5

Which of the following instruments is used to measure air pressure

Chemistry
1 answer:
kipiarov [429]4 years ago
8 0
A barometer measures air pressure.
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What gas in the air is used by plants to make their own food? (2 points)
Varvara68 [4.7K]

Answer:

Carbon Dioxide

Explanation:

Carbon dioxide gets turned into oxygen

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3 years ago
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9. Which of the following is true when we compare solids and gases?
djyliett [7]

Answer: b

Explanation:

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4 years ago
How to change aniline into phenyl isocyanide
olasank [31]
The reaction that best describes the change of aniline into phenyl isocyanide is
<span>C6H5NH2 + CHCl3 + KOH → C6H5NC + 3KCl + 3H2O
</span>
This is basically a characteristic reaction of the primary amines. <span> from the above reaction, we can see that aniline on carbyl amine reaction gives phenyl iso-cyanide.</span>
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3 years ago
How can you make a saturated solution from a supersaturated solution?
Lerok [7]

Answer:

warming up the solution.

Explanation:

  • A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent. ​The additional solute will not dissolve in a saturated solution.

  • Supersaturated solution is a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances.

  • A saturated solution can become supersaturated when it is cooled.

  • Also, we can form a saturated solution from a supersaturated solution via warming up the solution:

<em>The solubility of solid solutes in liquid solvents increases as the solvent is warmed up.</em>

7 0
3 years ago
Convert 835g Ar to liters of Argon gas. Please Help!!!
Feliz [49]
 835 g Ar  to  liters of Argon  gas  is  calculated as    follows

find  the  moles of Ar =  mass/molar mass

= 835g /39.95  g/mol  =  20.9  moles

At  STP   1mole of  ideal  gas =  22.4 L,  what  about  20.9 moles

= 20.9 moles/1mole x 22.4 L =468.16 L  of Argon
5 0
3 years ago
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