3 years ago

What influence does social media have on social scientist

Chemistry

1 answer:

Nesterboy [21]3 years ago

5 0

It helps them figure out more in dept about education.

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Is food coloring in water a mixture or pure substance

kkurt [141]

Answer:

In this experiment, different solutions are made by mixing water with different colors and amounts of food coloring. Students should notice that once the water and colors are mixed together, the liquid looks the same throughout. It is a solution—a homogeneous mixture

Explanation:

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The melting points and boiling points of 4 substances are shown.

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Answer:

it's

C. with melting point 11° C and boiling point 181° C

Explanation:

i hope you got it

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2 years ago

This is the process where fossil fuels, forests, or other carbon-containing substances are burned, adding more carbon dioxide to

sattari [20]

The process where fossil fuels, forests, or other carbon-containing substances are burned, addin more carbon dioxide to the air is the combustion.

Some examples of combustion are:

Fossil fuel:

Carbon + O2

C + O2 -> CO2

Forests (wood)

Wood = cellulose = [C6H10O5]n

[C6H10O5]n + 6nO2 = 6n CO2 + 5n H2O

So, in general the combustion of organic matter produces CO2 and water.

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2 years ago

A neutron has a positive electrical charge.<br> True or false

liberstina [14]

A neutron has neither a negative or positive charge, it’s neutral

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3 years ago

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Fireworks, KNO3<br> Give only the names of the elements alphabetically, separating them with commas.

Alborosie

Answer : The question is to write the elements alphabetically and seperating them with commas.

So in this case for your question of Fireworks , K $NO_{3}$ ,

The answer will be K, N, O.

You have to just differentiate the elements and write them according to the alphabetical order.

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