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noname [10]
3 years ago
8

HURRY !!!!!! How did kelper describe the planets Orbits ?

Chemistry
1 answer:
Andrei [34K]3 years ago
8 0
Kepler's Laws of Planetary Motion. While Copernicus rightly observed that the planets revolve around the Sun, it was Kepler who correctly defined their orbits.

Sorry about the holds, copied it from google...
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Including all coefficients, charges, and phases, what is the correct net ionic equation for the following set of reactants? Assu
Musya8 [376]

The <u>correct net ionic equation</u> for the chemical equation involving the reactants Ba(OH)2(aq) and H2SO4(aq) is  Ba²⁺ (aq) + 2OH⁻ (aq) + 2H⁺(aq) + SO4²⁻ (aq) --> BaSO₄(s) + H₂O(l)

<h3>Further Explanation </h3>

The chemical reaction between Ba(OH)2(aq) and H2SO4(aq) will be given by;

Ba(OH)₂(aq) + H₂SO4(aq) --> BaSO₄(aq) + 2H₂O(l)

<h3>Net ionic equations  </h3>
  • Net ionic equations that do not include all ions that are present in the reactants and products.
  • The equations only includes the ions that are involved in the reaction.
  • The ions that are not involved in a chemical reaction are called spectator ions and are cancelled out while writing ionic equations.
  • Reaction between Ba(OH)2(aq) and H2SO4(aq is an example of a neutralization reaction or a double displacement reaction.
  • During the reaction Barium ion bonds with sulfate ions and forms barium sulfate which is a solid, while hydrogen ion bonds with hydroxide ion to form water which is a liquid

That is:  

Ba(OH)₂(aq) + H₂SO4(aq) --> BaSO₄(s) + 2H₂O(l)

  • Barium ion changes from aqueous to solid state barium sulfate there it is an ion involved in the reaction.
  • Additionally, all the other ions are also involved in the reaction since they have changed their initial state. The chemical reaction has no spectator ions.

Therefore; the ionic equation required will be;  

Ba²⁺ (aq) + 2OH⁻ (aq) + 2H⁺(aq) + SO4²⁻ (aq) --> BaSO₄(s) + H₂O(l)

Keywords: Net ionic equations

<h3>Learn more about;  </h3>
  • Net ionic equation: brainly.com/question/5552670
  • Spectator ions: brainly.com/question/5552670
  • Example of net ionic equations:  brainly.com/question/5552670

Level: High school

Subject: Chemistry

Topic: Chemical equation

Sub-topic: Net ionic equations

7 0
3 years ago
Read 2 more answers
The elements in yellow are referred to as ___________.
Lemur [1.5K]

Answer:

Metalloids

Explanation:

hope this helps! :)

8 0
3 years ago
True or False? If friction didn’t exist, an object in motion would stay in motion forever.
nata0808 [166]

Answer:

True

Explanation:

Friction is defined as the force that opposes motion when an object is sliding over a surface.

As a result of friction, all objects moving over a surface eventually come to rest over time.If we were to successfully create a friction-less surface, an object will remain in motion forever because it will encounter no opposition to its motion.

Hence, the resistance to the motion of objects over  a surface which causes the objects to come to a halt after moving over the surface for some time is called friction.

5 0
3 years ago
which of the following describes how ice could have once covered warm places such as australia and india
4vir4ik [10]

Answer:

U shaped vallies?

Explanation:

(i dont know if this was one of the options)

6 0
3 years ago
Condenation means what
Katen [24]

Answer: Heyaa! :)

Condensation is the process of water vapor turning back into liquid water!

Explanation:

Hopefully this helps you!

-Matthew ~

7 0
2 years ago
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