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swat32
2 years ago
6

How do scientists collect evidence to form a valid theory about the formation and early development of the solar system?

Chemistry
1 answer:
lys-0071 [83]2 years ago
5 0

Scientists collected evidence to form a valid theory about the formation and early development of the solar system include:

  • Stars forming the depths of giant clouds of gas and dust.
  • Young stars with disks of debris around them.

<h3>What is Solar system?</h3>

This is referred to the gravitationally bound system of the Sun and the objects that orbit it.

It also comprises of the planets and their moons and objects such as asteroids and the evidence which shows that the formation of the solar system are the gas and dust which form the stars and debris found around them.

This therefore makes it the evidence collected in the formation of the solar system mentioned the most appropriate choice.

Read more about Solar system here brainly.com/question/1286910

#SPJ1

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Use the drop-down menu to complete the statement. The atoms in a ... have a definite volume, but move quickly enough to overcome
finlep [7]

Answer:

Luiquid

Explanation:

The atoms in a liquid state of matter have a definite volume, eventhough they acquire the shape of the container that contains them, the volume will always be the same, while in a solid the shape and volume will remain constant, on the other hand for a gas, the substance will fill the container where it is, having different volumes.

4 0
4 years ago
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20. Sharing electrons forms a<br>________ _________ between the atoms.​
dimaraw [331]

Answer:

Sharing electrons forms a <em> <u>covalent </u></em><em><u>bond</u></em><em><u> </u></em>between the atoms

Explanation:

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

8 0
3 years ago
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Please help!!!!!!!!!!!!!!!!!!!
dem82 [27]

Answer:

Hydrochloric acid + calcium hydroxide = calcium chloride + water

4 0
3 years ago
he Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. In th
Vika [28.1K]

Answer:

148.2 g of H20

Explanation:

Equation of reaction: 4NH3 + 5O2 ---> 4NO + 6H20

From the equation above, 4 moles of ammonia reacts with 5 moles of oxygen gas to produce 6 moles water.

Molar mass of NH3 = 17 g/mol;

Molar mass of O2= 32 g/mol;

Molar mass of H2O = 18 g/mol

First, we determine the limiting reactant:

4*17 g of NH3 reacts with 5*32 g of O2

Mass Ratio = 68 : 160

Therefore, NH3 is the limiting reactant.

68 g of NH3 reacts to produce 6* 18 g of H20 = 108 g of H2O

93.3 g of NH3 will react to produce (93.3 * 108)/68 g of H20 = 148.2 g of H2O

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7 0
3 years ago
Calculate the specific heat of a metallic element if 50.0 g of the metal need 314 joules of heat energy to raise
Brrunno [24]

Answer:

c = 0.25 j/g.°C

Explanation:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

Given data:

Mass of metal = 50.0 g

Heat needed = 314 j

Initial temperature = 25°C

Final temperature = 50 °C

Specific heat = ?

Solution:

ΔT  = 50 °C - 25°C = 25°C

Q = m.c. ΔT

c = Q / m. ΔT

c = 314 j /  50.0 g . 25°C

c = 314 j / 1250 g. °C

c = 0.25 j/g.°C

5 0
3 years ago
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