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Doss [256]
3 years ago
11

Only some particles split up into smaller particles

Chemistry
1 answer:
Makovka662 [10]3 years ago
4 0

Answer:

Everything around you can be broken down into smaller particles called atoms. The particles of one substance are all the same and different substances are made up of different particles.

Explanation:

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when an electron gets closer to the nucleus does the attraction or repulsion grow weaker or stronger?
klasskru [66]

Answer:

Weaker

Explanation:

Since the charges on nucleus and electron are opposite in nature, an attractive force exists between them. It is true in generally, that when objects are made to move closer together in the direction of an attractive force, potential energy decreases (and increases whenever attracting objects are force to move apart).

6 0
3 years ago
An aqueous solution of ammonium sulfate is allowed to react with an aqueous solution of calcium nitrate.
Salsk061 [2.6K]

<u>Answer:</u> The net ionic equation contains Ca^{2+}(aq.) ions

<u>Explanation:</u>

Net ionic equation of any reaction does not include any spectator ions.

Spectator ions are defined as the ions which does not get involved in a chemical equation. They are found on both the sides of the chemical reaction when it is present in ionic form.

The chemical equation for the reaction of ammonium sulfate and calcium nitrate is given as:

(NH_4)_2SO_4(aq.)+Ca(NO_3)_2(aq.)\rightarrow CaSO_4(s)2NH_4NO_3(aq.)

Ionic form of the above equation follows:

2NH_4^{+}(aq.)+SO_4^{2-}(aq.)+Ca^{2+}(aq.)+2NO_3^{-}(aq.)\rightarrow CaSO_4(s)+2NH_4^+(aq.)+2NO_3^-(aq.)

As, ammonia and nitrate ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

Ca^{2+}(aq.)+SO_4^{2-}(aq.)\rightarrow CaSO_4(s)

Hence, the net ionic equation contains Ca^{2+}(aq.) ions

5 0
3 years ago
What two structures in plant leaves help prevent the loss of water?.
Gelneren [198K]

Answer:

Upper cuticle and guard cells

5 0
2 years ago
Two 15.Kg objects are placed at four different distances from each other. At which distance would the two objects have the stron
erica [24]

Answer:

The strongest gravitational attraction between the two objects will be experienced when the distance between the two objects is smallest.

Explanation:

According to Newton's law of universal gravitation, the force of attraction between two objects is proportional to the products of their masses and inversely proportional to the square of the distance of separation between the two objects. This attraction between objects is known as gravity and it applies to all objects in the universe.

From the law of universal gravitation, since their is an inverse square relationship between gravitational force and the distance of separation between two interacting objects, an increase in the distance of separation will result in weaker gravitational forces.  For example, if the distance of separation between two objects is increased by a factor of 2, then the force of gravitational attraction is decreased by a factor of 4 (since 2² = 4). However, if the distance of separation between the two objects is decreased by a factor of two, i.e. is halved, then the force of gravitational attraction is increased by a factor of 4.

Thus, the strongest gravitational attraction between the two objects will be experienced when the distance between the two objects is smallest.

3 0
3 years ago
Convert 779 gallons to cubic yards
AfilCa [17]
The answer would be About 3.857yd3
7 0
3 years ago
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