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gulaghasi [49]
3 years ago
14

An electric circuit can have no current when a switch is ________

Chemistry
2 answers:
Bond [772]3 years ago
7 0
An electric circuit can have no current when a switch is open. that is the correct answer.
klasskru [66]3 years ago
3 0
<h3><u>Answer;</u></h3>

Open

An electric circuit can have no current when a switch is <u>open</u>.

<h3><u>Explanation;</u></h3>
  • <em><u>An electric circuit is a path in which electrons from a voltage or current source flow. </u></em>
  • Electric switches are used to connect and break the flow of connectivity or flow of electrons in a circuit. A switch makes it easy to open or close an electrical circuit, turning the flow of electricity on or off.
  • <em><u>When a switch is closed the circuit is closed and thus the flow of current is on while when the switch is open, the circuit is open, and therefore there will be no flow of current in the circuit.</u></em>
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Mole fraction is defined as mole of a compound per total moles of the mixture. In the solution, the solute is fructose and the solvent is water. That means you need to find moles of fructose and moles of water.

The molecular mass of fructose is 180,16g/mol and mass of water is 18,02 g/mol. Using these values:

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\frac{0,509 moles}{0,509mol + 30,24mol} = 0,0166

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I hope it helps!

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