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Step2247 [10]
3 years ago
10

.............................................................

Chemistry
2 answers:
Aleks04 [339]3 years ago
5 0

Answer:

5

Explanation:

you must add the 3 and 2 together because those are on the product side

mafiozo [28]3 years ago
4 0

5 oxygen atoms are there in the product

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5mg in liter is 5 ppm

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3 0
2 years ago
Please help I'm not good at science​
Citrus2011 [14]

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3 years ago
Which of the following are characteristics of vertebrates?
djverab [1.8K]
<span><u><em>Answer:</em></u>
All of the above

<u><em>Explanation:</em></u>
Vertebrates are a class of creatures falling under kingdom "<u>Animalia</u>" that are characterized by the presence of an internal skeleton composed of bones.

<u>Vertebrates are characterized by the following:</u>
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2- developed brain
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4- presence of muscles that allow movement
5- protective skin
6- circulation of blood in the bodies in the vessels

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Hope this helps :)</span>
5 0
3 years ago
Read 2 more answers
Give the reason why the empty crucible should be heated before starting the experiment
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To make sure no cracks are in the crucible and also to remove any moisture present in the crucible by the process of heating.
3 0
3 years ago
Write balanced, net ionic equations for the following precipitation, acidn base, or gasn forming reactions. Include states of ma
dybincka [34]

Answer:

Explanation:

a ) 2FeCl₃ + 3Li₂S  = Fe₂S₃ ( s )  + 6 LiCl

2Fe⁺³ + 6Li ⁻ + 6Cl⁻ + 3S⁻² = 6Li + 6Cl⁻ + Fe₂S₃ ( s )

b  )

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3CH₃COO + 3Na⁺ +  3NH₄⁻  +  PO₄⁺³  = 3CH₃COO⁻ +3NH₄⁺ + Na₃PO₄

c )

HClO₄  + KOH = kClO₄ + H₂O

H ⁺ + ClO₄⁻ +  K⁺ + OH⁻  =  k⁺  ClO₄⁻  + H₂O

d )

NH₄OH + HNO₃ = NH₄NO₃  + H₂O

NH₄⁺ + OH⁻ + H⁺ + NO₃⁻ = NH₄⁺ + NO₃⁻ +  H₂O

e )

HNO₂ + KOH = KNO₂ + H₂O

H⁺ + NO₂⁻ + K⁺ + OH⁻ = K⁺ + NO₂⁻ + H₂O

f ) HIO₃ + CaCO₃ ( s ) = Ca( IO₃ )₂ + H₂CO₃

H⁺ + IO₃⁻ + CaCO₃ ( s ) = Ca( IO₃ )₂ + H₂CO₃

g )

c ) is strong acid and strong base

d ) is weak base and strong acid

e ) weak acid and strong base

f ) Strong acid and basic salt

5 0
3 years ago
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