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Sphinxa [80]
3 years ago
15

Please help!

Chemistry
1 answer:
Viktor [21]3 years ago
6 0

Answer:

3.141592653589793236   the numbers of pie.

Also yes her model correctly shows.

What could be correct about her model is that all substances are different properties of the stating substance and also all substances match.

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Describe how the molecular models you assembled are similar to real molecules.
mario62 [17]

Answer:

Atoms models are bigger but they don not match the true or positive way of atoms. to make them visible scientists make their models that resembled with the real ones.

Explanation:

Molecules are microscopic entities and only can be seen under a  microscope.

4 0
3 years ago
8KCIO3 +1C12H22011
docker41 [41]

3.2 g KClO3

Explanation:

1.1 g C12H22O11 × (1 mol C12H22O11/342.3 g C12H22O11)

= 0.0032 mol C12H22O11

0.0032 mol C12H22O11 × (8 mol KClO3/1 mol C12H22O11)

= 0.026 mol KClO3

Therefore, the minimum amount of KClO3 needed is

0.026 mol KClO3 × (122.55 g KClO3/1 mol KClO3)

= 3.2 g KClO3

5 0
3 years ago
A fish tank measures 0.40 meter long by 0.20 meter wide by 0.30 meter high. What is the width of the tank in centimeters?
umka21 [38]
Well the width is 0.20 meters. Since there are a hundred centimeters in a meter, we just have to move the decimal point two times to the right to get a 20 centimeter width. 
6 0
3 years ago
Why would a C-O bond have only provide 358 kJ/mol each while C=O provides 799 kJ/mol? Explain in detail.
Alina [70]

Consider the amount of energy needed to brake the bonds.

In c=o there are both a pi-bond and a sigma bond. Therefore it requires a higher energy to brake it. When considering the c-o bond there is only a single sigma bond is needed to be broken. Therefore braking is easier.

When something is easily broken they are having a weak attraction. When they harder to break they are having a stronger attraction.

Here weak attraction is having a lower energy while stronger attraction has higher energy.

Therefore c=o provides a high energy than c-o

7 0
3 years ago
PLSSSS HELP Humus is made of ___________? (Select all that apply.)
Ronch [10]

Answer

I'm pretty sure it would be (Insects, and microorganisms)

Explanation:

If its not correct I'm sry

5 0
3 years ago
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