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3 years ago

Which of the following is NOT true about relative dating?

Chemistry

1 answer:

Igoryamba3 years ago

3 0

Answer:

It uses fossils to help pinpoint the ages of rocks.

Explanation:

Radiocarbon dating can not be used to determine the age of rocks.

Carbon dating works well only for objects that are less than 50,000 years. Most rocks are far older than that. Over time, carbon-14 decays gradually into nitrogen. Hence, we can not really use radiocarbon dating to determine the absolute age of a rock sample since the carbon-14 in the fossils of ancient rock samples may have completely decayed.

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When ethyl ether is heated with excess HI for several hours, the only organic product obtained is ethyl iodide. T/F

Anastasy [175]

Answer:

True

Explanation:

Ethers react with HI to form the corresponding alcohols and alkyl iodides.

Similarly, ethyl ether react with excess of HI to form ethanol and ethyl iodide. But in the excess of HI as mentioned in the question, ethanol too undergoes $S^{N}2$ reaction with HI to form ethyl iodide.

<u>Hence, ethyl iodide is the only product when ethyl ether reacts with excess of HI for several hours.</u>

6 0

3 years ago

When interviewed, Mr. Harrison was discussing barometric pressure and the low-pressure system moving in that may cause a change

Zarrin [17]

A meteorologist?? I could be totally wrong though! :)

6 0

2 years ago

Read 2 more answers

What is biological oxygen demand

jek_recluse [69]

Hey there!!

Biological Oxygen demand is the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.

Hope this helped you and have a fantastic day! (:

5 0

2 years ago

Read 2 more answers

a sample of gold is heated from 12 degrees to 28 degrees celsius and absorbs 460 joules of energy. What is the mass of gold?

Gemiola [76]

Answer:

hi friends I don't no answer so sorry sorry sorry

Explanation:

but you follow me and give me brainliest ok by by by by by

3 0

2 years ago

A crucible is a severe test or trial. It is also a vessel in which materials are melted at high temperatures to produce a more r

zhannawk [14.2K]

In this drama, a crucible would represent the constant building action leading to the climax of the pot.

What is crucible?

A crucible is a ceramic as well as metal vessel used to melt metals or subject other substances to extremely high temperatures. Crucibles can be made from any material that can withstand temperatures high enough to melt and otherwise change their contents, despite historically being most frequently made of clay. The crucible's shape has changed over time, with designs that take into account both regional variation and the process for that they are used. The earliest crucible forms date to Iran and Eastern Europe in the sixth or fifth millennia B.C.

Similar to the contents of a crucible, the characters seem to be constantly enduring severe trials; in this case, the witching trials. The crucible would, in my opinion, symbolize the town itself and its residents. The symbolism of this suggests a theme of the townspeople going through the witching trials and coming out with a "refined" lesson. The unnecessary accusations and trials will teach a hard lesson to the people who live within the town and influence their future.

To learn more about crucible click on the given link:
brainly.com/question/27816330
#SPJ4

4 0

1 year ago