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NNADVOKAT [17]
3 years ago
15

Which two forms of heat transfer work together to heat water in a plastic bottle

Chemistry
1 answer:
Brums [2.3K]3 years ago
5 0
The primary form of heat transfer taking place within the water bottle will be convection, which is the natural circulation of fluid due to density differences arising from temperature differences. 

The second form is dependent on how the heating is taking place. If the bottle is out in sunlight, the form of heat transfer is radiation from the sun's rays. If heat is directly being applied to it, then the form is conduction, which occurs in solids and through direct contact.
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Which of the following happens when chlorine forms an ion?
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What  happens  when  chlorine  form  an ion  is that  it gains an electron and  has  an octet  in its  outer shell  ( answer  A)


<u><em> Explanation</em></u>

<u><em> </em></u>Chlorine is  is in atomic  number  17  in periodic table.

The electron configuration  of chlorine  is    1S2 2S2 2P6 3S2 3P5   or[Ne]3S2 3p5  or  2.8.7.

chlorine therefore  has 7 valence electron therefore it  gain  1 electron  to form Cl- ( ion)

Cl- has  8  electron in its outer  shell (  it  obeys  octet  rule  of eight valence in outer shell.

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What is the molar mass of C3N4? (Do NOT round this number.)
vichka [17]

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92.06 g/mol

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2 years ago
A piece of lumber is 7.60cm long. What is it’s length in millimetres and in inches?
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Explanation:

Since 10mm is 1cm

<em>There</em><em>fore</em><em> </em><em>7</em><em>.</em><em>6</em><em>0</em><em>c</em><em>m</em><em> </em><em>is</em><em> </em><em>7</em><em>6</em><em>0</em><em>m</em><em>m</em>

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4 0
1 year ago
Identify the substances in this reaction:
lukranit [14]

Answer:

is an aqueous reactant

is a liquid product

is a gaseous product

Explanation:

H_2CO_3 ⇔ CO_2 + H_2O

Hydrogen carbonate dissocates to form carbon dioxide and water. The acid (hydrogen carbonate) is in aqueous form and it dissociates to water (liquid) and carbon dioxide (a gas). It is also seen that the hydrogen carbonate is on the reactant side and it dissociates to produce water and carbon dioxide.

WH_2CO_3<u> is an aqueous reactant</u> (a reactant undergoes changes in a chemical reaction

<u />H_2O<u> is a liquid product</u> (product refers to the species produced from  chemical reaction)

<u />CO_2<u> is a gaseous product</u>

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