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2 years ago

explain why conductors and insulators are both required to construct the electrical wiring in your home

2 answers:

5 0

Conductors are required to transmit electricity to various parts of the home. These take the form of the copper in the wires. Insulators separate various electrical conduits from each other and external bodies, as well as protecting the conductors from the elements. These take the form of the plastic sheathing over the wires.

jeka57 [31]2 years ago

3 0

As conductors let electrons pass through them easily, when there is a current, the conductor lets the electrons pass thru them giving the person a shock. This is why we need insulators. But having only insulators are also a problem as the insulator won't let electrons pass thru them not giving out electricity in your house

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What is the total number of Joules of heat absorbed by 65.0 grams of water when the temperature of the water is raised from 25°C

Norma-Jean [14]

Answer:

Total number of heat absorbed is 4.08kJ

Explanation:

Explanation is contained in the picture attached

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2 years ago

What is the predominant intermolecular force in CBr4

vovikov84 [41]

CBr4 is a symmetric tetrahedral molecule so it will be non-polar.

3 0

3 years ago

Consider the following equilibrium: H2CO3+H2O = H3O+HCO3^-1. What is the correct equilibrium expression?

mylen [45]

Equilibrium expression is $Keq = \frac{[H3O+][HCO3^-]}{[H2CO3]}\\$

Explanation:

Equilibrium expression is denoted by Keq.

Keq is the equilibrium constant that is defined as the ratio of concentration of products to the concentration of reactants each raised to the power its stoichiometric coefficients.

Example -

aA + bB = cC + dD

So, Keq = conc of product/ conc of reactant

$Keq = \frac{[C]^c [D]^d}{[A]^a [B]^b}$

So from the equation, H₂CO₃+H₂O = H₃O+HCO₃⁻¹

$Keq = \frac{[H3O^+]^1 [HCO3^-]^1}{[H2CO3]^1 [H2O]^1}$

The concentration of pure solid and liquid is considered as 1. Therefore, concentration of H2O is 1.

Thus,

$Keq = \frac{[H3O+][HCO3^-]}{[H2CO3]}\\$

Therefore, Equilibrium expression is $Keq = \frac{[H3O+][HCO3^-]}{[H2CO3]}\\$

4 0

3 years ago

The properties of elements are different than the compound that the elements form. Is this statement True or False

ki77a [65]

Answer:

true

Explanation:

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2 years ago

Can atoms be created or destroyed during a chemical reaction?

ValentinkaMS [17]

Answer:

No.

Explanation:

During chemical reaction, atomes cannot be created or destroyed, they can only react together to form Element or Compound at the Product side.

7 0

2 years ago