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Anastasy [175]
4 years ago
7

Give reason water is solidified by cooling

Chemistry
2 answers:
bija089 [108]4 years ago
5 0
These water molecules slowed down, condensed to liquid water, and then froze to become ice.
NemiM [27]4 years ago
5 0

When liquid water is cooled, it contracts like one would expect until a temperature of approximately 4 degrees Celsius is reached. After that, it expands slightly until it reaches the freezing point, and then when it freezes it expands by approximately 9%.

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Powerful_____________________________ in nature, such as wind, temperature, and ice, can exert enough pressure to cause the wall
stich3 [128]

Answer:

I believe forces would be the word you are looking for.

Explanation:

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3 0
3 years ago
How many grams in 2.75L of CL
Tamiku [17]

mass of Cl₂ = 8.61 grams

Explanation:

We have 2.75 of chlorine (Cl₂) which is gas. If we assume that it is behaving like an ideal gas and we work under standard conditions, we can use the following equation.

number of moles = volume / 22.4 (L / mole)

number of moles of Cl₂ = 2.75 / 22.4 = 0.123 moles

number of moles = mass / molecular weight

mass = number of moles × molecular weight

mass of Cl₂ = 0.123 × 71 = 8.61 grams

Learn more about:

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brainly.com/question/7144003

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6 0
3 years ago
What is a synthesis reaction? a reaction that occurs when two or more reactants combine into one product
dmitriy555 [2]

Answer:

A synthesis reaction is <em>a reaction that occurs when two or more reactants combine into one product.</em>

Explanation:

A reaction that occurs when two or more reactants combine into one product is called a synthesis reaction.

A reaction that occurs when one element within a compound is exchanged with another element is called a single replacement reaction.

A reaction that occurs when a substance combines with molecular oxygen, releasing light and energy is called combustion.

A reaction that occurs when a single substance breaks apart and forms two or more new substances is called decomposition.

7 0
3 years ago
The minimum collision energy between two molecules in order for them to react is called A activation energy. B dispersal energy
blondinia [14]

A: activation energy

hope i helped :D

5 0
3 years ago
Why do we have to write the background of the study​
lesya [120]

Answer:

Writing down background information can help you to remember what you learned and can be used for notes in the future when taking an assessment.

Explanation:

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