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Sunny_sXe [5.5K]
2 years ago
6

For water to change from a liquid to solid, thermal energy needs to be .

Chemistry
1 answer:
telo118 [61]2 years ago
6 0

answer: dispersed from the liquid so cold air can take its place

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Which of the statement below states the negative impact did chemistry have on society through the production and use of chlorofl
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I think the correct answer from the choices listed above is option A. The statement that states a negative impact of chemistry on the society is that hazardous <span>coolants in refrigeration units were replaced. One example of this coolant is the </span><span>production and use of chlorofluorocarbons (CFCs) which replaced by more safer coolants.</span>
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3 years ago
If you had to choose,between cake/ice ,what do u thnk ppl will choose for a debate
mojhsa [17]

Answer: Ice Cream all day

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Well ice cream it just alot better then cake

6 0
3 years ago
Please Help!!!
STatiana [176]

Answer:

single replacement

Explanation:

Step 1: Data given

single replacement = A reaction in which one element replaces a similar element in a compound. For example, a metal replaces an other metal.

The general form of a single-replacement (also called single-displacement) reaction is:

A+BC→AC+B

Decomposition = a reaction in which a compound breaks down into two or more simpler substances. The general form of a decomposition reaction is:

AB→A+B

Synthesis =  A reaction that occurs when one or more compounds combines to form a complex compound:

A + B → AB

Double replacement: a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.

The general form of a double-replacement reaction is:

AB+CD→AD+BC

Combustion reaction = a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat. Combustion reactions must involve  O2  as one reactant.

The reaction Zn + 2HCl → ZnCl2 + H2

⇒ Does not involve O2 = NOT a combustion reaction

⇒ The compounds do not form a complex compound = NOT a synthesis

⇒ A compound does not break down into smaller substances = NOT a decomposition

⇒ There is a replacement between Zn and H. This is a <u>single replacement</u>, not a double replacement reaction.

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PLS HELP
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D. All of these.

Explanation:

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Highway 22 ,GA 31820

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