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inn [45]
3 years ago
15

Is air a conductor or an insulator

Chemistry
1 answer:
Nina [5.8K]3 years ago
4 0
Air is a insulator in normal conditions,but when heated up to high temperatures it becomes a conductor. <span />
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Balance the reactions which form ions. Choose "blank" if no other coefficient is needed. Writing the symbol implies "1."
Minchanka [31]
Following are the Balanced Reactions,

Reaction 1:


                            (NH₄)₂CO₃     →    <u>2</u> NH₄⁺  +  CO3⁻²

Reaction 2:

                                     PbI₂    →    Pb⁺²<span>  +  <u>2</u> I</span>⁻¹

Reaction 3:

                              <span>(NH</span>₂<span>)</span>₃<span>PO</span>₄     →     <span><u>3</u> NH</span>₄⁺  <span>+   PO</span>₄⁻³
7 0
3 years ago
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The substance floats or sinks in another because of its relative
AURORKA [14]
Floats or sinks Because of its mass
7 0
3 years ago
What can be used to determine the relative age of two rocks?
ratelena [41]
B. The presence of unconformities 
6 0
3 years ago
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Write a balanced chemical equation for the standard formation reaction of gaseous formaldehyde CH2O
Free_Kalibri [48]
From the combustion of octane, the formaldehyde will be formed as this equation:

C8H18 +  O2 → CH2O + H2O   this is the original equation but it is not a balanced equation, so let's start to balance it: 

the equation to be balanced so the number of atoms on the right side of the equation sholud be equal with the number of atoms on the lef side.

-we have 8 C atoms on left side and 1 atom on the right side so we will try putting 8 CH2O on the right side instead of CH2O

C8H18 + O2 → 8 CH2O + H2O 

we have 2 O atoms on the left side and  9 atoms on the right side so we will try first to put 9 O2 instead of O2 on the left side and put 2H2O on the right side and put  16 CH2O instead of 8 CH2O to make the atoms of O are equal on both sides = 18 atoms

C8H18 + 9 O2 →  16 CH2O + 2H2O 

put now we have 8 atom C on the left side and 16 atom on the right side so, we will put 2 C8H18 instead of C8H18 now we get this equation:

2C8H18 + 9O2 →16 CH2O + 2H2O

-now we have 36 of H atoms on both sides.

- and 16 of C atoms on both sides.

- and 18 of O atoms on both sides.

now all the number of atoms of O & C & H are equal on both sides

∴ 2C8H18 + 9O2 → 16 CH2O + 2 H2O 

is the final balanced equation for the formation of formaldehayde
5 0
3 years ago
If 115grams of a substance reacts with 84grams of another substance, what will be the mass of the products after the reaction?
AysviL [449]
Isn’t it 115+84 so 199
4 0
3 years ago
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