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gayaneshka [121]
4 years ago
10

Which of the following is a chemical process ?

Chemistry
1 answer:
stiv31 [10]4 years ago
5 0
D seperating wat into hydrogen and oxygen
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Sodium Tetraborate, a naturally occurring mineral, is crushed into Borax. This is an example of a ________change. *
Ostrovityanka [42]

Answer:

Chemical Change

Explanation:

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3 years ago
[ 6.5 ] In the space below, briefly explain why the average times for the two CO2 molecules you calculated should have been simi
julsineya [31]

Answer:

This question is incomplete

Explanation:

This question is incomplete but there are two parts to this question that can generally be answered without the missing parts.

(1) If a CO₂ molecule starts out surrounded by other CO₂ molecules, does this influence how quickly it will reach the other side of the leaf?

What controls how quickly a CO₂ molecule/molecules enter into the leaf to the other parts of a leaf is the stomata on the leaf. Stomata are tiny openings on a plant leaf that allows for gaseous exchange (the release of oxygen and the absorption of CO₂) in the leaf.

(2)  Collisions influence how molecules move, but do molecules only collide with other molecules of the same substance? NO

One of the kinetic theory of gases states that gases collide with one another and against the walls of the container. <u>It should however be noted that, gas molecules of a particular substance can collide with gas molecules of other substances</u>, so far they are within the same container.

5 0
3 years ago
Describe one way in which advances in space technology have improved our understanding of objects in space.
Anika [276]

Answer:

Technology helps us in many ways.

Explanation:

We can now research the world even more effectively and at a higher level of sophistication thanks to technological advancements. Telescopes, on the other hand, enable us to peer into the far corners of the universe and detect very large objects such as stars. Electron microscope enable us to see smaller objects such as cells and organisms.

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3 years ago
What are the molecular an empirical chemical formula of a compound made up of these molecules? (Look at Photo)The line stand for
Naya [18.7K]

The molecular formula gives us the total number of atoms of the compound. To do this we are going to count each of the atoms.

We have:

C = 4

H = 8

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The empirical formula is the simplest way to represent a molecule, we simplify taking the denominators of the molecule to its simplest form, as they are all multiplies of two we can divide everything by this number and thus we obtain the empirical formula.

So, the empirical formula will be C2H4O

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1 year ago
HELP ASAP!! PLEASE !!
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Answer:

8,3, 7,7

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3 years ago
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