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kondaur [170]
3 years ago
6

Uranium in the isotope below had 140 nutrons​

Chemistry
1 answer:
Brut [27]3 years ago
4 0

Answer:

It has 140 neutrons because Mass number= No of protons + no of neutrons

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PLZ HELP ME!!! I'll give brainliest to whoever answers this along with 15 points!
Readme [11.4K]

I would say diamond, because it consists only of carbon

3 0
3 years ago
Which notation represents atoms that have the same number of protons but a different neutron?
ArbitrLikvidat [17]
Those are called isotopes,

the answer is 3.

each element has its own unique number of protons (atomic number) but a different number of neutrons can be shown in example number 3.
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3 years ago
In the hydrolysis of trimyristin the reaction mixture is heated at about 75℃ for 45 minutes. what is the purpose of heating a re
Effectus [21]

The correct answer is :

the purpose of heating the mixture is to accelerate the reaction and mix the reagent.

The explanation:

Many organic reactions are slow and can take an extended period of time to achieve any noticeable effect so heating is often used to increase the rate of reaction. However, many organic compounds have low boiling points and will vaporise upon exposure to such high heat, preventing the reaction from proceeding in full.

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3 years ago
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natka813 [3]

Answer:

A

Explanation:

3 0
2 years ago
Hunter’s velocity was 4.5 m/s. At the end of his race, his velocity was the same. Which best describes his movement?
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