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3 years ago

What feature of a chemical equation is used to balance the equation and make sure it obeys the law of conservation of mass?

Chemistry

2 answers:

gladu [14]3 years ago

6 0

Answer:

b. Coefficient.

Explanation:

For example:

Zinc combines with oxygen to form zinc oxlde :

We have Zn and O2 forming ZnO:

2Zn + O2 = 2ZnO

The 2's before the Zn and ZnO balance the equation

taurus [48]3 years ago

5 0

Answer:

b) coefficient

Explanation:

Refer to this example:

CH4 +2 O2 → CO2+ 2 H2O

2 is used as a coefficient in this chemical equation.

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How many liters of CO2 are in 4.76 moles? (at STP)

dem82 [27]

Answer: The volume of carbon dioxide gas at STP for given amount is 106.624 L

Explanation:

We are given:

Moles of carbon dioxide = 4.76 moles

At STP:

1 mole of a gas occupies a volume of 22.4 Liters

So, for 4.76 moles of carbon dioxide gas will occupy a volume of = $\frac{22.4L}{1mol\times 4.76mol=106.624L$

Hence, the volume of carbon dioxide gas at STP for given amount is 106.624 L

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3 years ago

Help please for chemistry class

IRISSAK [1]

Answer:

option c is correct

Explanation:

the addition of catalyst does not effect the position or equilibrium constant and increase the forward and backward reaction in equal rates so no effect would be observed

3 0

3 years ago

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Alex

x=swimming

The answer is X*13.16

7 0

3 years ago

One atom of silicon can properly be combined in a compound with

Nina [5.8K]

One atom of silicon can properly be combined in a compound with two atoms of oxygen.

7 0

3 years ago

Read 2 more answers

15g divided by 15ML plllssss what is it!! Need to know

natulia [17]

Answer:

The answer should be 1000 kg / m3

8 0

3 years ago