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Serjik [45]
3 years ago
14

You place air in a sealed can at standard temperature and pressure (stp). you heat it to four times its absolute temperature (k)

while leaving the volume constant. what happens to the pressure?
Chemistry
1 answer:
pochemuha3 years ago
4 0
By Gayle-Lussac's law, the pressure and temperature of a fixed volume and amount of gas is directly proportional.
Thus,

P/T = constant

So if the temperature is increased four times, the pressure is also increased four times.
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Give the word equation for the neutralization reaction of an acid and a base.
Grace [21]

Answer:Acid+Base--> salt+water

Explanation:the reaction between acids and bases is called neutralization and will always produce salt and water

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A certain solution of methylamine has a pOH of 6.8, while a solution of pyridine has a pOH of 6.0. Which solution has a greater
Liono4ka [1.6K]

Answer:

Pyridine solution has a greater concentration of hydroxide ions.

Explanation:

The pOH of the solution is defined as negative logarithm of hydroxide ion concentration in a solution.

pOH=-\log [OH^-]

  • Higher the value of pOH lessor will be the hydroxide ion concentration and higher the concentration of hydrogen ions in the solution .
  • Lower the value of pOH higher will be the hydroxide ion concentration and lower the concentration of hydrogen ions in the solution.

1) The pOH of the methylamine = 6.8

6.8=-\log[OH^-]

[OH^-]=1.5848\times 10^{-7} M

2) The pOH of the pyridine = 6.0

6.0=-\log[OH^-]

[OH^-]=0.000001 M=1.0\times 10^{-6} M

Pyridine solution has a greater concentration of hydroxide ions than the solution of methylamine.

8 0
4 years ago
How do we think that Mars lost atmospheric gas?
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the rocky planet was exposed to harsh and forceful solar winds, which blew the Martian atmosphere away.

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7 0
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Which two atoms would typically form a covalent bond?
MrMuchimi

Answer:

two atoms both non metals

Explanation:

because if the bond is formed between atoms with similar electronegativity since covalent bonding is the sharing of electrons

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