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Maslowich
2 years ago
9

Which two wire properties would provide the greatest resistance to the flow of a current? short, thin long, thin hot, thick cool

, thick
Chemistry
2 answers:
Nat2105 [25]2 years ago
8 0

The two properties which provide the greatest resistance to the flow of a current are the long and thin wires.

<h3>What is resistance?</h3>

Resistance is the quantity which define the flow of current from any wire and it is represented as:

R ∝ l/A, where

l = length of wire

A = cross section of wire

From the relation it is clear that resistance is high in long wire and thin wire.

So, required properties are long and thin.

To know more about resistance, visit the below link:
brainly.com/question/17563681

Llana [10]2 years ago
4 0

Answer:

The two properties which provide the greatest resistance to the flow of a current are the long and thin wires.

What is resistance?

Resistance is the quantity which define the flow of current from any wire and it is represented as:

R ∝ l/A, where

l = length of wire

A = cross section of wire

From the relation it is clear that resistance is high in long wire and thin wire.

So, required properties are long and thin.

To know more about resistance, visit the below link:

brainly.com/question/17563681

Explanation:

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C is the correct answer
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Suppose that 25.0 mL of 0.440 M sodium chloride is added to 25.0 mL of 0.320 M silver nitrate. How many moles of silver chloride
d1i1m1o1n [39]

The number of moles of silver chloride that will precipitate is 0.008 mole

From the question,

We are to determine the number of moles of silver chloride that will precipitate

First,

We will write a balanced chemical equation for the reaction

The balanced chemical equation for the reaction is

NaCl + AgNO₃ → AgCl + NaNO₃

This means

1 mole of sodium chloride reacts with 1 mole of silver nitrate to produce 1 mole of silver chloride and 1 mole of sodium nitrate

Now, we will determine the number of moles of each reactant present

  • For sodium chloride (NaCl)

Concentration = 0.440 M

Volume = 25.0 mL = 0.025 L

Using the formula

Number of moles = Concentration × Volume

∴ Number of moles of NaCl present = 0.440 × 0.025

Number of moles of NaCl present = 0.011 mole

  • For silver nitrate (NaNO₃)

Concentration = 0.320 M

Volume = 25.0 mL = 0.025 L

∴ Number of moles of NaNO₃ present = 0.320 × 0.025

Number of moles of NaNO₃ present = 0.008 mole

From the balanced chemical equation,

1 mole of sodium chloride reacts with 1 mole of silver nitrate to produce 1 mole of silver chloride

Then,

0.008 mole of sodium chloride will react with the 0.008 mole of silver nitrate to produce 0.008 mole of silver chloride

∴ 0.008 mole of silver chloride will be produced

Hence, the number of moles of silver chloride that will precipitate is 0.008 mole

Learn more here: brainly.com/question/18434602

4 0
3 years ago
A white crystalline salt conducts electricity when it is melted and when it dissolves in water.
sergeinik [125]

Answer: Option (a) is the correct answer.

Explanation:

Ionic salts are defined as the salts which tend to contain ionic bonds as there occurs transfer of electrons between its combining atoms.

So, when an ionic salt melts or it is dissolved in water then it will dissociate into its respective ions and as electricity is the flow of electrons or ions. Hence, this salt is then able to conduct electricity.

As covalent compounds are insoluble in water so, they do no dissociate into ions. Hence, they do not conduct electricity.

Similarly, metallic and network solids do not dissociate into ions either when melted or dissolved in water. Therefore, they also do not conduct electricity.

Thus, we can conclude that when a white crystalline salt conducts electricity when it is melted and when it dissolves in water then this bond is of ionic type.

7 0
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