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tatyana61 [14]
3 years ago
10

Which of the following is the best example of a scientific law?

Chemistry
2 answers:
il63 [147K]3 years ago
5 0

Answer:

The correct answer is :'The gravitational force between two objects is related mathematically to their mass and the distance between them'.

Explanation:

A scientific law is a statement which explains physical phenomena and has been tested multiple times through the correct scientific methods and experimentation. It will give same results and observations after each conduct.

A scientific law comes into picture after the acceptance of a theory which explains or exposes the reason behind any physical phenomena occurrence.

So the best example of scientific law:

The gravitational force between two objects is related mathematically to their mass and the distance between them.

blsea [12.9K]3 years ago
4 0

Answer:

The ( Any) force is depending proportionally on the mass of an object and the distance the object has to go and due to the magnetic force the earth exerts on every object in the atmosphere, depending on where the weight center of an object on the edge of a table is, will fall on the ground.

Explanation:

And given the newtonian formulae of the vectorial agent called Force as an exponential function of space/ time then we can consider the three statements equally expressing scientific laws in different manners

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How many electron are in the outer shell of an neutral atom of 14 atomic number
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I think there is 4 electrons in the outer shell of 14 atomic number. If I'm wrong, know that I'm not very good.
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3 years ago
A compound is found to contain 64.80 % carbon, 13.62 % hydrogen, and 21.58 % oxygen by weight. What is the empirical formula for
insens350 [35]

Answer:

Empirical formula is C₄H₁₀O

Explanation:

Values for C, H and O are determined as centesimal composition.

64.80 g of C in 100g of compound

13.62g of H in 100 g of compound

21.58 g of O in 100 g of compound.

We convert the mass to moles:

64.80 g . 1mol/ 12g = 5.4 moles of C

13.62 g . 1 mol /1g = 13.62 moles of H

21.58 g . 1 mol/16g = 1.35 moles of O

We pick the lowest value and we divide:

5.4 moles of C / 1.35 = 4 C

13.62 moles of H / 1.35 = 10 H

1.35 moles of O / 1.35 = 1 O

Empirical formula is C₄H₁₀O, it can be the diethyl ether.

We confirm, the excersise is well done.

Molar mass = 74g/mol

74 g of compound we have (12 . 4)g of C

In 100 g of compound we may have (100 . 48) / 74 = 64.8 g

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3 years ago
Nitrogen gas in the atmosphere is converted to forms of nitrogen usable by vegetation via:
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What type of charge does a neutron have
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It is electric force
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Both equation I and II are balanced, but equation II is the correct way to write the balanced equation. Why do you think this is
Vladimir [108]

Answer:

Because you have to give the simplest ratio of equation. Equation I can be simplified by dividing all the coefficients by 2 to make it into equation II.

*Every equation has to be in the simplest form of coefficients.

Ratio of Equation I :

2 : 4 : 2 : 4

Ratio of Equation II :

1 : 2 : 1 : 2

5 0
3 years ago
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