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Talja [164]
3 years ago
15

Which type of fuel must be the most carefully contained and protected

Chemistry
1 answer:
12345 [234]3 years ago
5 0
What are the options for this question?
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Cevabı atar mısınız lütfen​
yawa3891 [41]
I’m sorry I don’t understand if you can may you say it in English?
4 0
2 years ago
Add 3 x 10^9 +5.3 x 10^10
Ghella [55]
<span>Add 3 x 10^9 +5.3 x 10^10

</span><span>   3 x 10^9
 +5.3 x 10^10
</span>------------------
5.6 x 10^10
8 0
2 years ago
Read 2 more answers
• Qual a diferença entre o etanol 60%, 70% e 90%?
lyudmila [28]

Lo siento pero no puedo ayudarte.

6 0
2 years ago
The half-life of carbon-14 is 5730 years. therefore, 5730 years after being cut from a tree, a piece of wood will have 50.0% of
ddd [48]

For this problem, we use the formula for radioactive decay which is expressed as follows:<span>

An = Aoe^-kt

where An is the amount left after time t, Ao is the initial amount and k is a constant. </span>

<span>
</span>

<span>We can use the equation above to find the percent of the original substance at a given time. However, the time given here is equal to the half life of C-14. So the percent left would be 50% or half the original.


</span>

7 0
3 years ago
In which of the following sets do all species have the same number of protons?
Ipatiy [6.2K]

Among the given options, Option (D) that is O, O^2^-,O^2^+  will have the same number of protons. Hence option (D) is correct.

<h3>What are protons ?</h3>

A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.

In option (D), All the three species (O, O^2^-,O^2^+ ) bears 8 protons but the number of electrons varies.

In any Ion, there will be no change in number of protons among the same atoms but number of electrons varies.

Therefore, Option (D)  has same atoms but different ions.

Hence, it has same number of protons. Thus the correct answer is option (D)

Learn more about Protons here ;

brainly.com/question/12535409

#SPJ1

5 0
1 year ago
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