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AfilCa [17]
2 years ago
5

Explain how chemical properties and chemical changes are different?

Biology
1 answer:
Zepler [3.9K]2 years ago
3 0

Explanation:

 A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical reaction is a process that occurs when one or more substances are changed into one or more new substances.

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You need to do speed divided by time
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What do aerobic respiration and lactic acidosis have in common ?
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Both the process, aerobic respiration and lactic acid fermentation releases ATP. Besides that also both the process starts with the breakdown of glucose.

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DNA is replicated in the nucleus of eukaryotes, but in the cytoplasm of prokaryotes. Why is this?
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In prokaryotes (organisms without a nuclear membrane), DNA undergoes replication and transcription and RNA undergoes translation in an undivided compartment. All three processes can occur simultaneously.

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HELP ME PLEASE! List the steps scientists for using technology to find the half-life of an isotope.​
liubo4ka [24]

For radioactive materials with short half-lives, you use a very sensitive calibrated detector to measure how many counts per second it is producing. Then using the exact same set up you do the same at a latter time. You use the two readings and the time between them to determine the half-life. You don’t have to wait exactly a half-life, you can do the math with any significant time difference. Also, you don’t need to know the absolute radioactivity, as long as the set up is the same you only need to know fraction by which it changed.

For radioactive materials with long half-lives that won’t work. Instead you approach the problem differently. You precisely measure the mass of a very pure sample of the radioactive material. You can use that to calculate the number of atoms in the sample. Then you put the sample in a counter that is calibrated to determine the absolute number of disintegrations happening in a given time. Now you know how many of them are disintegrating every second. You use the following equations:

Decays per Second = (Number of Atoms) x (Decay Constant)

Half-life = (Natural Log of 2) / (Decay Constant)

And you can calculate the half-life

Hope it helps :)

Mark it as brainliest pls :)

6 0
3 years ago
Plz help me
Iteru [2.4K]

Here is the answer but not complete i forgot the ribosome diagram

But I hope it helps

8 0
2 years ago
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