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IgorC [24]
3 years ago
12

What are the coefficients needed to balance the equation for the combustion of

Chemistry
2 answers:
Monica [59]3 years ago
6 0
CH
4
+ O
2
→
CO
2
+ H
2
O
First look at the C atoms. At first glance they are balanced with 1 C on each side.
Now look at the H atoms. They are not balanced. There are 4 H atoms on the left side and 2 H atoms on the right. Place a coefficient of 2 in front of the
H
2
O
. We now have 4 H atoms on both sides.
CH
4
+ O
2
→
CO
2
+ 2H
2
O
Now look at the O atoms. They are not balanced. There are 2 O atoms on the left side and 4 on the right. Place a coefficient of 2 in front of the
O
2
. We now have 4 O atoms on both sides.
CH
4
+ 2O
2
→
CO
2
+ 2H
2
O
The equation is now balanced. Each side has 1 C atom, 4 H atoms, and 4 O atoms.
Temka [501]3 years ago
6 0
Bnhhhhhhh ridurrei Hancock chick usato
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7 0
3 years ago
Calcum chloride contains only calcum and chloride What is the fomula for this compound? fou need the Peodie Table for thia quest
mafiozo [28]

Answer:

CaCl_2

Explanation:

Calcium is the element of the group 2 and period 4 which means that the valence electronic configuration is [Ar]4s^2.

Chlorine is the element of the group 17 and period 3 which means that the valence electronic configuration is [Ne]3s^23p^5.

Thus, calcium losses 2 electrons to 2 atoms of chlorine and these 2 atoms of chlorine accepts each electron to form ionic bond. This is done in order that the octet of the atoms are complete and they become stable.

Ca         Cl

2            1

Cross multiplying the valency, We get, CaCl_2

Thus, the formula of calcium chloride is CaCl_2.

3 0
3 years ago
Has any one done 2020 chemistry paper 1 aqa gcse
Mars2501 [29]

Answer:

what do you mean?

Explanation:

7 0
3 years ago
What is the specific heat of iron, if it requires 1120 J of heat energy to raise the
IRISSAK [1]

Answer:

Specific heat is defined as the amount of heat needed to raise the temperature by one degree celsius. Therefore, in 1 kg there are 100 grams so, 10 grams equal 0.01 Kg. Thus, calculate the specific heat value as follows. Thus, we can conclude that specific heat of the given metal is 0.5 .

Explanation:

4 0
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Fofino [41]

Answer:

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Explanation:

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