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3 years ago

Which scientist established the law of octaves?

Chemistry

2 answers:

KengaRu [80]3 years ago

7 0

Answer:

jogn newlands

Explanation:

took quiz

Ray Of Light [21]3 years ago

4 0

Answer:

John Newlands

Explanation:

he established the law of octaves

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Choose the products that complete the reaction . The chemical equation may not be balanced . Al+H 2 SO 4 ? Al 2 (SO 4 ) 3 +H 2 O

alexandr402 [8]

Answer: Al2 (SO4)3 + H2

Explanation:

option C

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3 years ago

How many formula units of sodium chloride (NaCl) may theoretically be produced from 13.0 g FeCl3?

algol [13]

Answer:

$1.445\times 10^{23}$ formula units of sodium chloride can be formed from 13.0 gram of ferric chloride.

Explanation:

Mass of ferric chloride = 13.0 g

Moles of ferric chloride = $\frac{13.0 g}{162.5 g/mol}=0.08 mol$

1 mole of ferric chloride has three moles of chloride ions.Then 0.08 moles of ferric chloride will have :

$3\times 0.08 mol=0.24 mol$ of chloride

$Na^++Cl^-\rightarrow NaCl$

1 mole of sodium ion reacts with 1 mole of chloride ion to form 1 mole of NaCl. Then 0.24 moles of chloride ion will give:

$\frac{1}{1}\times 0.24 mol=0.24 mol$ of NaCl

1 mole = $N_A=6.022\times 10^{23}$ molecules/ atoms

Number of NaCl molecules in 0.24 moles :

$=6.022\times 10^{23}\times 0.24=1.445\times 10^{23} molecules$

$1.445\times 10^{23}$ formula units of sodium chloride can be formed from 13.0 gram of ferric chloride.

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3 years ago

Draw a diagram to show what happens to the particles,when a liquid cools to a solid

Evgen [1.6K]

<h3>Hope it helps you.</h3>

do follow me if you appreciate it

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3 years ago

Read 2 more answers

Which compound exhibits both cis trans and optical isomerism? A: CH3CH=CHCH2CH3B: CH3CHBrCH=CH2C: CH3CBr=CBrCH3D CH3CH2CHBrCH=CH

irinina [24]

CH3CHBrCH=CBrCH3D
I think

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3 years ago

Ion version of potassium is ?

Debora [2.8K]

the ion version of potassium is k+

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3 years ago