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3 years ago

14

What is the study of clouds called?

1 answer:

Kamila [148]3 years ago

5 0

The answer is Nephology

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Important functional groups in biomolecules include --------

Andrew [12]

B nucleic acids I think

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3 years ago

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If a fluorine atom and nitrogen atom combine to form a compound, what type of bond will they form

dmitriy555 [2]

Answer:

I guess covalent bond is formed

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3 years ago

A gamma wave has____<br> energy than a radio wave.<br> A television wave has a<br> th

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Answer:

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Explanation:

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3 years ago

How many grams of NaOH are produced from 1.20 x 10^2 of Na2O

oksian1 [2.3K]

Write an balance the equation

Na2O + H2O -> 2 NaOH

Calculate the molecular mass of Na2O and NaOH from the atomic mass from the periodic table.

Na = 23
O=16
H=1

Na2O = 23 * 2 + 16 = 62
NaOH = 23+16+1= 40

For the stoichiometry of the reaction one mole of Na2O = 62g produce two mol of NaOH = 2* 40= 80 g

120 g Na2O x 80g NaOH / 62g Na2O=

154.8 g NaOH

5 0

4 years ago

Which is the balanced single displacement reaction between Aluminum (Al3+) and Copper Sulfate (Cu2+(SO4)2-)

Aliun [14]

Answer:

The balanced single displacement reaction between aluminum and copper sulphate is as follows.

$2Al(s)+3CuSO_{4}(aq)\rightarrow Al_{2}(SO_{4})_{3}(aq)+3Cu(s)$

Explanation:

The given ions are as follows.

$Al^{3+}$ - Aluminium ion and copper sulfate ion.

Single displacement reaction occurs one element replaces another element.

Hence, the balanced chemical reaction is as follows.

$2Al(s)+3CuSO_{4}(aq)\rightarrow Al_{2}(SO_{4})_{3}(aq)+3Cu(s)$

<u>Oxidation half reaction:</u>

$Al\rightarrow Al^{3+}+3e^{-}$

Aluminium loses three electrons.

<u>Reduction half reaction:</u>

<u> $Cu^{2+}+2e^{-}\rightarrow Cu(s)$ </u>

Copper gain three electrons.

4 0

3 years ago