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Amanda [17]
4 years ago
6

Chemical systems in nature tend to undergo changes toward

Chemistry
1 answer:
Marina CMI [18]4 years ago
3 0

Answer:

An increase in entropy.

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for a theoretical yield of 22 g and actual yield of 13 g, calculate the percent yield for a chemical reaction
sammy [17]

Answer:

59.09%

Explanation:

13/22*100=59.09%

8 0
3 years ago
Distinguish between acids and bases by indicating TWO general properties of acids and TWO general properties of bases. Be specif
qaws [65]

Answer:

  1. Acids react with metals to liberate hydrogen and form salt while Bases neutralize acids to form salt and water.
  2. Acids are corrosive in nature while Bases are not
5 0
3 years ago
7.
natulia [17]

Answer:

the answeer

Explanation:

guy its 48.39 precent

6 0
3 years ago
Hello can somone help me ?
zalisa [80]

174 \; \text{protons} / (29 \; \text{copper atoms} \cdot \text{proton}^{-1}) = 6 \; \text{copper atoms}

Thus 174 protons would make at most 6 copper atoms. However, it would take 174 extra electrons (29 per atom) and even more neutrons than that to construct neutral copper atoms with stable nuclei.

7 0
3 years ago
Select all that apply to organic compounds,
ki77a [65]

Answer:

Organic compounds can be synthesized in a laboratory setting

Organic compounds contain carbon

There are hundreds of thousands of organic compounds,

Explanation:

Organic compounds are compounds that are found in life i.e plants and animals. The bulk of compounds that makes up living organisms are called organic compounds.

The idea that organic compounds can only be found in living organisms has been proven wrong by the synthesis of urea in the laboratory.

Organic chemistry studies compounds of carbons with the exception of oxides, carbides and carbonates.

All these other compounds of carbon apart from the above listed ones are called organic compounds.

3 0
3 years ago
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