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Hunter-Best [27]
2 years ago
10

Use the drop-down menus to complete each statement.

Chemistry
2 answers:
aleksley [76]2 years ago
6 0

<u>Explanation:</u>

<u>1. Have many moons:</u>

  • Jupiter is the fifth planet from the Sun and the biggest in the Solar System and it has fifty-three moons which are confirmed and twenty-six provisional moons and totally it has seventy-nine moons and it is the only planet which has many moons.

<u>2. Have a rocky composition:</u>

  • The planets which have rocky composition are also called the terrestrial planets.
  • The planets which have rocky composition are listed below mercury, venus, earth, and mars and they are smaller in size.

<u>3. Revolve quickly around the Sun: </u>

  • Mercury is the quickest planet, which rushes around the sun at 47.87 km/s. And it revolves around the sun quickly.

<u> 4. Rotate quickly on their axes: </u>

  • The giant gas planets like Jupiter, Saturn, etc... spin more quickly on their axes than the other planets

antiseptic1488 [7]2 years ago
6 0

Answer:

The order they go in is outer, inner, inner, outer .

Explanation:

I took the test.

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B) Quelle est la masse de tétraoxyde de trifer (Fe3O4) produite si 3,60 moles de trioxyde de
hram777 [196]

Answer:

626,4 g de Fe₃O₄

Explanation:

Nous commencerons par écrire l'équation équilibrée de la réaction entre le fer (Fe) et le trioxyde d'aluminium. Ceci est donné ci-dessous:

9Fe + 4Al₂O₃ -> 3Fe₃O₄ + 8Al

De l'équation équilibrée ci-dessus,

4 moles d'Al₂O₃ ont réagi pour produire 3 moles de Fe₃O₄.

Par conséquent, 3,6 moles d'Al₂O₃ réagiront pour produire = (3,6 × 3) / 4 = 2,7 moles de Fe₃O₄

Ainsi, 2,7 moles de Fe₃O₄ sont produites à partir de la réaction.

Enfin, nous déterminerons la masse massique de Fe₃O₄ produite par la réaction. Ceci peut être obtenu comme suit:

Mole de Fe₃O₄ = 2,7 moles

Masse molaire de Fe₃O₄ = (3 × 56) + (4 × 16)

= 168 + 64

= 232 g / mol

Masse de Fe₃O₄ =?

Mole = masse / masse molaire

2,7 = Masse de Fe₃O₄ / 232

Croiser multiplier

Masse de Fe₃O₄ = 2,7 × 232

Masse de Fe₃O₄ = 626,4 g

Par conséquent, 626,4 g de Fe₃O₄ sont produits à partir de la réaction

7 0
2 years ago
Are physical properties and chemical properties characteristics used to describe matter
raketka [301]
They both are properties that form the matter which they are today!
7 0
2 years ago
Na2SO4 is dissolved in water to make 450mL of a 0.2250 M solution. What is the molar mass of Na2SO4?
Alisiya [41]

Answer:

mass Na2SO4 = 14.3816 g

Explanation:

sln Na2SO4:

∴ V = 450 mL

∴ <em>C </em>=<em> </em>0.2250 mol/L

∴ Mw ≡ 142.04 g/mol.....  from literature

⇒ mol Na2SO4 = (0.2250 mol/L)(0.450 L) = 0.10125 mol

⇒ mass Na2SO4 = (0.10125 mol)(142.04 g/mol) = 14.3816 g

3 0
3 years ago
Why do you think DNA has had such an impact on forensic science
Nuetrik [128]
Every single person has their own unique DNA so with this, if they find any fingerprints they'll be able to track them down easily
8 0
3 years ago
Read 2 more answers
What is the physical state of oxygen at room temperature
natka813 [3]
What is the physical state of oxygen at room temperature?

The psychical state of oxygen at room temperature is gas.

Explanation:

Oxygen has low melting and boiling points, so it is in a gas state at room temperature.
3 0
2 years ago
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