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kondor19780726 [428]
2 years ago
11

Explain why the containers are heavy​

Chemistry
1 answer:
vfiekz [6]2 years ago
7 0

Answer:

there is no picture so we can't tell why the containers are heavy

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Explain the difference between potential energy and kinetic energy.
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Answer:

<u>Potential energy is</u> the stored energy in an object or thing, while <u>kinetic energy is</u> the energy which an object contains because of a particular motion.

Explanation:

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What is the vapor pressure of a solution that contains 70.0 mL of ether and 30.0 mL of benzene?
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3 years ago
Why does thermal energy decreases when potassium is dissolved in water​
Levart [38]

Answer:

The process of dissolving can be endothermic (temperature goes down) or exothermic (temperature goes up).

When water dissolves a substance, the water molecules attract and “bond” to the particles (molecules or ions) of the substance causing the particles to separate from each other.

The “bond” that a water molecule makes is not a covalent or ionic bond. It is a strong attraction caused by water’s polarity.

It takes energy to break the bonds between the molecules or ions of the solute.

Energy is released when water molecules bond to the solute molecules or ions.

If it takes more energy to separate the particles of the solute than is released when the water molecules bond to the particles, then the temperature goes down (endothermic).

If it takes less energy to separate the particles of the solute than is released when the water molecules bond to the particles, then the temperature goes up (exothermic).

Explanation:

8 0
3 years ago
What reaction is C+O2=CO2
slamgirl [31]

Answer:

Combination or synthesis

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The reaction given below:

             C    +  O₂    →  CO₂  

The reaction above is termed a synthesis or combination reaction because two substances are combining to give a product.

  • A synthesis reaction involves the formation of a single product from two or more reactants.
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How many grams of FeS2 are needed to react with 95 g O2?
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16.0  i think

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4 0
3 years ago
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