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Alenkasestr [34]
3 years ago
11

Select the correct answer.

Chemistry
2 answers:
alexdok [17]3 years ago
8 0
The answer is power. Power is the only answer here that relates to force.
solniwko [45]3 years ago
3 0

Answer:

Power

Explanation:

#platofam

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2. If I have 45 g of Carbon, to find the number of moles of carbon I would *
Sati [7]

Answer:

divide by molar mass (12.01 g)

Explanation:

To find the number of moles of the carbon, divide by molar mass (12.01 g).

The number of moles of a substance is given as;

           Number of moles  = \frac{mass}{molar mass}

To solve this problem;

  since mass of carbon  = 45g

                Number of moles  = \frac{45}{12.01}   = 3.75moles

3 0
3 years ago
Read 2 more answers
Tessa knows that the sea grape tree can grow well in areas of high st and poor soil. She has seen sea grape growing along the be
yanalaym [24]
The answer of this question is B. Tessa could use more plants and multiple trials

Explanation: In Tessa’s experiment, she has two sea grape plants and gives one pure water and the other a strong salt water solution. Tessa is trying to determine which amount of salt is the BEST for sea grape. With the experiment she set up however, she isn’t going to be able to determine which amount of salt is the BEST for the sea grape because she is only giving one sea grape plant salt. If Tessa were to have more sea grape plants and gave them all different amounts of salt, she could determine which amount of salt is best for the sea grape.

Hope this helped! If you have any questions about my answer feel free to comment on the question.
3 0
4 years ago
How is iron extracted? Describe in brief​
Feliz [49]

Answer:Iron is extracted from iron ore in a huge container called a blast furnace. Iron ores such as haematite contain iron(III) oxide, Fe 2O 3. The oxygen must be removed from the iron(III) oxide in order to leave the iron behind. Reactions in which oxygen is removed are called reduction reactions.

3 0
3 years ago
Read 2 more answers
Where can find the neutrons in an atom
il63 [147K]

Answer:

neutrons are found in the nucleus of an atom.

Explanation:

6 0
3 years ago
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Identify the state(s) of matter that each property describes.
DIA [1.3K]

Answer:

1) takes the shape of its container ( liquid and gas).

2) fills all available space (gas)

3) maintains its shape ( solid)

4) can be poured ( liquid)

5) is compressible ( gas)

6) has a fixed volume ( liquid and solid)

Explanation:

Matter is simply defined as anything that has weight and occupies space. It exists in three states, namely: solid, liquid and gaseous states.

The properties of different states of matter includes:

SOLID STATE

--> It has a definite shape: The shape of a solid is fixed; it does not depend on the shape of other materials.

--> It has a definite volume: it occupies its own shape due to the force of cohesion among its molecules.

--> It is tightly packed: The molecular movements of particles are negligible.

LIQUID STATE

--> liquid has a defined volume.

--> it has no definite shape: There is no specific shape of a liquid. It occupies any available space. It's shape depends on the shape of the container into which it is poured.

GASEOUS STATE

--> it has no fixed shape: Due to the distance in the molecules of gas, the gaseous state has no shape. It occupies the shape of its container.

--> It has no fixed volume: it occupies the shape of any container that is closed.

--> It is highly compressible: The particles of gas are far off from one another and there is room for collision.

4 0
3 years ago
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