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Arte-miy333 [17]
2 years ago
9

Help plz I have to get this done before 2:30 The diagram shows different forms of thermal energy transfer.

Chemistry
2 answers:
MArishka [77]2 years ago
4 0

Answer:

Conduction.

Explanation:

hram777 [196]2 years ago
4 0

Answer:

O A. Conduction

Explanation:

The other person did it

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Enter a balanced equation for the dissolution of caco3.
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CaCO3(aq) → Ca2+(aq ) + CO3 2-(aq)

Explanation:

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Blank c2h4 + blank o2 → blank co2 + blank h2o how many moles of o2 are in the chemical equation when balanced using the lowest w
umka21 [38]

The reaction is<span>
C</span>₂H₄ + O₂ → CO₂ + H₂O<span>

To balance the equation, both side have same number of elements. Here,</span>

In left hand side has                                            in right hand side has

           4 H atoms                                                       2 H atoms 

           2 C atoms                                                       1 C atom 

<span>           2 O atoms                                                       3 O atoms 

First, we have to balance number of C atoms and number of H atoms in both side.  
To balance C atoms, '2' should be added before CO</span>₂ and to balance H atoms, '2' should be added before H₂<span>O. 
Then number of oxygen atoms is </span>2 x 2 + 2 = 6 in right hand side. So, 3 should be added before O₂<span> in left hand side.
After balancing the equation should be,</span>

C₂H₄<span> + 3O</span>₂<span> → 2CO</span>₂<span> + 2H</span>₂O


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Answer: An axis.

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