PHYSICS MIDDLE SCHOOL

40 g of magnesium and 40 g of oxygen react in a chemical reaction in a close system which of the following must result

Answers

Answer 1

Answer:

Answer:

Option "D" is the correct answer to the following question.

Explanation:

According to The law of conservation of mass, in a chemical reaction mass neither created nor destroyed.

So,

Total product = Mass of magnesium + Mass of oxygen

Total product = 40 gram + 40 gram

Total product = 80 gram

Therefore, option "D" is the correct answer

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Question 6 (1 point)Which fundamental force has not been successfully united with the others in a
particle accelerator?

- weak nuclear force

- electromagnetism

- strong nuclear force

- gravity

Answers

Answer:gravity

Explanation:

i just took the test and it was right!

What is the definition of power

Answers

Answer: .

energy that is produced by mechanical, electrical, or other means and used to operate a device.

Explanation:

There are many definitions of power.

When the movement within a generator stops, what else stops?

Answers

the flow of electricity which the generator produced

Are any minerals flammable

Answers

yes minerals are flammable. I almost caught my shirt on fire onetime

Yes some products are flammable for example : nail polish remover
Wooden furniture and kids toys
Hope I helped!!

In a car, 75 percent of the chemical energy of gasoline is lost as thermalenergy. If the gasoline contains 1,000 kilojoules of energy, how much
of that energy is used to actually move the car? Record your answer in
kilojoules.

Answers

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A living thing is called?

Answers

The most scientific word I can think of is an organism.

A living thing is known as an organism, and is also called a biotic factor within an ecosystem. Nonliving things are known as abiotic, or without life :)

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