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elena-s [515]
3 years ago
8

What is base unit used to measure volume?

Chemistry
2 answers:
Minchanka [31]3 years ago
5 0

Answer:

SI unit

Explanation:

the base unit of volume in the SI system is the cubic meter

dimaraw [331]3 years ago
5 0

Answer:

wasdwsdwasdasdhjkgchkhjck

Explanation:

gkghkghklhjljkxfjy iuipfghjgykjhgklj

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An electrolysis reaction is
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the electrolysis reaction is a non- spontaneous reaction

Explanation:

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3 0
3 years ago
10.
Andru [333]

Answer: 1.8 moles Fe and 2.7 moles CO_2 are produced.

Explanation:

The balanced chemical reaction is:

Fe_2O_3+3CO\rightarrow 2Fe+3CO_2  

According to stoichiometry :

3 moles of CO require 1 mole of Fe_2O_3

Thus 2.7 moles of CO will require=\frac{1}{3}\times 2.7=0.9moles  of Fe_2O_3

Thus CO is the limiting reagent as it limits the formation of product and Fe_2O_3 is the excess reagent.

As 3 moles of CO give = 2 moles of Fe  and 3 moles of CO_2

Thus 2.7 moles of CO will give =\frac{2}{3}\times 2.7=1.8moles  of Fe  and \frac{3}{3}\times 2.7=2.7moles  of CO_2

Thus 1.8 moles Fe and 2.7 moles CO_2 are produced.

7 0
3 years ago
Which of the following isotopes is radioactive A)C-12 B)Pb-206 C) Tc-99 D)Ne-20
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C) Tc-99 is a radioactive isotope also known as radioisoptope. 
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Pls this need this I am doing a test and I need to get this
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