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Leni [432]
2 years ago
15

4. What coefficients need to be added to the following chemical reaction

Chemistry
1 answer:
KengaRu [80]2 years ago
6 0

Hey there!

C₆H₁₄ + O₂ → CO₂ + H₂O

Balance H.

14 on the right, 2 on the left. Add a coefficient of 7 in front of H₂O.

C₆H₁₄ + O₂ → CO₂ + 7H₂O

Balance C.

6 on the left, 1 on the right. Add a coefficient of 6 in front of CO₂.

C₆H₁₄ + O₂ → 6CO₂ + 7H₂O

Balance O.

2 on the left, 12 on the right. Add a coefficient of 6 in front of O₂.

C₆H₁₄ + 6O₂ → 6CO₂ + 7H₂O

Our final balanced equation: C₆H₁₄ + 6O₂ → 6CO₂ + 7H₂O

Hope this helps!

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Mercury may have lost part of its mantle and crust to a _______ leaving it with a large, metal _______.
igomit [66]
<h2>Giant impact and metalcore.</h2>

Explanation :

  • Mercury has a large core of liquid metal.
  • The metal core is of iron metal.
  • The core is surrounded by a mantle which is made up of silica and a solid outer crust.
  • In the case of Mercury, the total core percentage is 42% of the planet while the Earth's core is only 17% of the planet.
  • Mercury has lost part of its mantle and crust that left the mercury with a large metal core.

3 0
3 years ago
an isotope of cesium (cesium-137) has a half-life of 30 years if 1.0g of cesium-137 disintegrates over a period of 90 years how
Juliette [100K]
The answer is after 3 half lives
4 0
3 years ago
You unknowingly run over a small nail while driving and it punctures your tire. When you are getting in your car the next mornin
Norma-Jean [14]

The nails can puncture the tires of the vehicles making them deflated after a while. The process of tire deflation due to a puncture is due to the process called an effusion. Thus, option c is correct.

<h3>What is effusion?</h3>

Effusion is the process that defines the escape of the fluids or gases from a system through an outlet with a small diameter compared to the mean free path of the molecules.

When a tire is punctured then the gas from the tire starts to move out through the hole through effusion. This leads to deflation of the tire after some time as all the gas present inside had moved out completely.

Therefore, option c. a punctured tire deflates due to effusion.

Learn more about effusion here:

brainly.com/question/2823560

#SPJ1

7 0
2 years ago
What is the single factor that classifies an element as a transition metal?
klasskru [66]
The answer is b) the highest occupied orbital is a “d”orbital.
Transition metals are metals where the highest energy electrons partially fill the d subshells. There are some elements with complete d subshells but on forming cations they have incomplete d subshells.
These transition metals have some properties that are different from the other metals .
7 0
3 years ago
1. When there is light, photosynthesis can
Bas_tet [7]

Answer:

A

Explanation:

8 0
3 years ago
Read 2 more answers
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