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3 years ago

What is the name of a loop that electricity flows through?

Chemistry

2 answers:

Leya [2.2K]3 years ago

6 0

Answer:

......Circuit......

Explanation:

Electricity flows through a circuit, the rest are things that can be in a circuit.

aleksley [76]3 years ago

5 0

Answer:

an electric circuit so 1

Explanation:

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In which of the following sets are the charges given correctly for all the

Ronch [10]

Answer:

B) K⁺, Sr²⁺ , O²⁻

Explanation:

Potassium is present in group one. It is alkali metal and have one valance electron.Potassium need to lose its one valance electron and form cation to get complete octet.

That's why it shows K⁺.

Sr is alkaline earth metal. It is present in group two. It has two valance electrons. Strontium needed to lose its two valance electrons and get stable electronic configuration.

When it loses its two valance electrons it shows cation with charge of +2.

Sr²⁺

Oxygen is present in group 16. It has sex valance electrons. It needed two more electrons to complete the octet. That's why oxygen gain two electron and form anion with a charge of -2.

O²⁻

3 0

3 years ago

Silicon has a relatively large latent heat of vaporization of 12800 J/g. This indicates that silicon has:

beks73 [17]

I believe it means that it takes a lot of heat in joules to make silicon vaporize so it stays solid until a great deal of heat has been added. By comparison, water has a latent heat of about 2260 joules per gram so vaporizes much more readily than silicon.

3 0

3 years ago

The girl in the picture is at the highest point in swinging and starts to come down. Which statement could describe the changes

vredina [299]

Answer:

1.(A) 2.(A) 3.(C) 4.(D)

Explanation:

5 0

3 years ago

Read 2 more answers

Is energy transfer the process by which any form of energy changes location?

Elis [28]

Yes, transfer of energy is known as an energy transfer

4 0

3 years ago

One of the reactions that occurs in a blast furnace, in which iron ore is converted to cast iron, is Fe2O3 + 3CO → 2Fe + 3CO2 Su

solong [7]

Answer:

$89.55~\%~of~Fe_2O_3~in~the~sample$

Explanation:

The first step in this reaction is the converstion from Kg of $Fe$ to grams of $Fe_2O_3$ .

$1.19x10^3~Kg~Fe~\frac{1000g~Fe}{1~Kg~Fe}~\frac{1~mol~Fe}{55.84~g~Fe}~\frac{1~mol~Fe_2O_3}{2~mol~Fe}~\frac{159.68~g~Fe_2O_3}{1~mol~Fe_2O_3}~\frac{1~Kg~Fe_2O_3}{1000~g~Fe_2O_3}$

$X~=~1.7x10^3~Kg~Fe_2O_3$

Then we can calculate the percentage of $Fe_2O_3$ in the sample:

$\%~Fe_2O_3~=~\frac{1.7x10^3~Kg~Fe_2O_3}{1.9x10^3~Kg~Sample}*100$

$89.55~\%~of~Fe_2O_3~in~the~sample$

3 0

3 years ago