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hram777 [196]
3 years ago
14

Which model BEST represents the current view of the solar system?

Chemistry
2 answers:
sertanlavr [38]3 years ago
8 0

Answer:THİS İS MY İDOL 4 TANEPROTON 3 TANE ELEKTRON 4 TANEDE NÖTRON SNA GİRSİN KAVAKLI KÖY ATOM NUMARALRI BİŞEY İŞTE HER NEYSE

Explanation:

yawa3891 [41]3 years ago
7 0

Answer:

I say Model 2

Explanation:

The sun is <em>always</em> at the center of the solar system. Then, think of your planets in order. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune (and little Pluto). Therefore, Model 2 is the answer...

(*Besides. Model 2 is the only answer choice with the sun even in the middle of the solar system*)

Good Luck :)

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e−(Ea/RT): the fraction of the molecules present in a gas which have energies equal to or in excess of activation energy at a particular temperature

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3 years ago
What is chemistry? I NEED HELP ASAP!
Thepotemich [5.8K]

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Please please help me solve this, I have a test and only 20 mins left T-T<br>​
Ann [662]

Answer: 5.6dm^3[/tex[ of gas is produced when 0.1 moles of magnesium nitrate is decomposed.Explanation:The balanced chemical equation is:&#10;[tex]2NH_4NO_3(s)\rightarrow 2MgO(s)+4NO_2(g)+O_2(g)

According to stoichiometry :

2 moles of NH_4NO_3 produce = 4 moles of NO_2 gas and 1 mole of O_2 gas

2 moles of NH_4NO_3 produce = 5 moles of gas

Thus 0.1 mole of NH_4NO_3 produce =\frac{5}{2}\times 0.1=0.25moles  of gas

Volume of gas produced = moles\times {\text {Molar volume}}=0.25moles\times 22.4dm^3/mol=5.6dm^3

Thus [tex]5.6dm^3[/tex[ of gas is produced when 0.1 moles of magnesium nitrate is decomposed.

7 0
3 years ago
Which factors can influence the length of time it takes for a half-life to occur?
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Explanation:

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3 years ago
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iren2701 [21]

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Conserved.

Explanation:

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

Momentum = Mass * Velocity

The law of conservation of momentum states that the total linear momentum of any closed system would always remain constant with respect to time.

This ultimately implies that, the law of conservation of momentum states that if objects exert forces only on each other, their total momentum is conserved.

8 0
3 years ago
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