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yuradex [85]
3 years ago
7

Which of the following describes a chemical reaction?

Chemistry
1 answer:
frez [133]3 years ago
4 0
I think the correct answer from the choices listed above is option B. Atoms in substances react with each other describes a chemical reaction. From the statement itself, the word react is present this signifies a reaction. Hope this answers the question.
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The reaction below is at equilibrium. What would happen if more carbon were
schepotkina [342]

Explanation:

C_{(s)} + O_{2(g)} \rightleftharpoons CO_{2(g)}

<em>According to <u>le ch</u></em><em><u>-</u></em><em><u>atelier'</u></em><em><u>s</u></em><em><u> </u></em><em><u>principle</u> when a chemical reaction at equilibrium subjected to any stress, then the equilibrium shifts in that direction in which effect of stress is reduced.</em>

When we would add more number of carbon in above reaction then rate of forward reaction will increase to attain the equilibrium again.

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5 0
2 years ago
1. What is the equation for Boyle's Law?.
Sveta_85 [38]

Answer: 1. P1V1 = P2V2

2. P stands for pressure

3. Units for Pressure are atm and Pa

4. V stands for volume

5. Units for volume is in mL

Explanation: Boyle's Law is a gas law that states the relationship between pressure and volume of a gas.

8 0
3 years ago
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PLEASE HELP!!!
hammer [34]

B. Magnesium + Hydrogen Sulfide (Reactors) ---->  Magnesium Sulfide + Hydrogen (Products)

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3 years ago
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Many towns in flood-prone areas are surrounded by___ that are built to hold back rising water.
xxTIMURxx [149]

Answer:

Flood barriers

Explanation:

Many towns in flood-prone areas are surrounded by flood barriers that are built to hold back rising water during seasonal highs.

  • Flood barriers are water resistant walls that are used to prevent breaking water during a high period of inundation from their channels.
  • They are usually vertical artificial structures which can be temporary or permanent.
  • They help to hold or contain the flood water during the high season.
  • These walls prevents flood plains and other nearby areas from getting flooded during the rainy season.
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3 years ago
How is the kinetic energy of the particles that make up a substance different after it changes state?
Drupady [299]

Answer:

the answers are either a or d

Explanation:

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3 years ago
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