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patriot [66]
3 years ago
5

5.

Chemistry
1 answer:
den301095 [7]3 years ago
3 0

Answer: True

Explanation:

If you’ve seen a baseball game, you’ve probably also experienced the sight of a ball going up and up, until you begin to wonder when it’s going to come down! Yet every time, the ball does fall back to earth. Why? Gravity is an attractive force that exerts a pull between two objects, such as a baseball and the earth.

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C, the amount of oxygen produced is the dependent variable since that is what is being measured and it is dependent on which substance is being tested
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3 years ago
Methyl violet is an indicator that changes color over a range from pH=0.0 to pH=1.6. What is Ka of methyl violet?
Tju [1.3M]

it's basic in nature

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3 years ago
Find out the reasons why hydrogen is not used as a fuel although it has very high calorific value.
AnnyKZ [126]

Answer:

Although hydrogen has the highest calorific value, it is not used as a domestic fuel. It is because hydrogen is a highly combustible and it reacts explosively when it comes in contact with air. And hence as a result, storing of the hydrogen gas is difficult and is dangerous at the same time.

3 0
3 years ago
An element is made up from ?
sertanlavr [38]

Answer:

Atoms

Explanation:

Elements are the chemical combinations of two or more atoms of the same kind

4 0
4 years ago
Read 2 more answers
If one contraction cycle in muscle requires 55 kJ55 kJ , and the energy from the combustion of glucose is converted with an effi
Juliette [100K]

Answer:

18 moles

Explanation:

Here the combustion of one mole of glucose ----> carbon dioxide + water, releases 2870 kilojoules / moles.

_______________________________________________________

With one contraction cycle requiring 55 kilojoules,

2870 / 55 ≈ 52.18

And with the efficiency being 35 percent,

52.1818..... * 0.35 = ( About ) 18 moles

<u><em>Hope that helps!</em></u>

3 0
3 years ago
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