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qaws [65]
1 year ago
6

What is the net ionic equation of the reaction of BeCl2 with NaOH

Chemistry
1 answer:
NNADVOKAT [17]1 year ago
8 0
Net ionic equation:
Be(2+) + 2OH(-) ----> Be(OH)2

:-) ;-)
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Answer: A Meteor

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It took many of the metals several minutes to begin to react. Once the reaction was initiated, several of these metals continued
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A gas is know to have a volume of 7.81 liters when the pressure is 754 torr what would be the volume when the pressure is change
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Answer:

The volume when the pressure is changed to 1.23 atm and temperature is constant will be <u><em>6.3075 L</em></u>.

Explanation:

Pressure and volume are related by Boyle's law that says:

"The volume occupied by a certain gas mass at a constant temperature is inversely proportional to the pressure"

Boyle's law is expressed mathematically as:

P * V = k

where:

  • P: Pressure
  • V: Volume
  • k: Constant

Assuming a certain volume of gas V1 is at a pressure P1 at the beginning of the experiment. By varying the volume of gas to a new V2 value, then the pressure will change to P2, and the following will be true:

P1 * V1 = P2 * V2

In this case you have:

  • P1= 754 torr= 0.9921 atm (1 atm=760 torr)
  • V1= 7.82 L
  • P2=1.23 atm
  • V2=?

Replacing:

0.9921 atm*7.82 L=1.23 atm*V2

Resolving:

V2=\frac{0.9921 atm*7.82 L}{1.23 atm}

V2≅6.3075 L

<u><em>The volume when the pressure is changed to 1.23 atm and temperature is constant will be 6.3075 L.</em></u>

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