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Klio2033 [76]
2 years ago
8

How does the law of conservation of mass apply to this reaction: C2H4 + O2 → H2O + CO2?

Chemistry
2 answers:
kozerog [31]2 years ago
7 0

its d because it all has to be balanced

lisov135 [29]2 years ago
6 0

Answer:

D.) Each element needs to be balanced

Explanation:

I just took the test and got 100

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I need help with balancing equations I'm doing homework and idk what to do here can you give me the answers please lol
amm1812

It's pretty easy to balance equations! Basically you want to make sure that the number of each compound is equal on both sides of the arrow.

For example number one is

Fe + H2SO4 -> Fe2(SO4)3 + H2

A 3 in front of H2SO4 because there's a subscript of 3 on the right side.

Then a 3 in front of H2 because of the previous step.

Then add a 2 in front of Fe because of the 2 subscript in Fe2(SO4)3

Then add a 1 in front of Fe2(SO4)3 because you already have an equal number of each element.

<u>2</u>Fe + <u>3</u>H2SO4 -> <u>1</u>Fe2(SO4)3 + <u>3</u>H2

I hope this explanation helps! You should really do your homework because practice is everything when it comes to chemistry. You'll need to know how to do it for exams.  

3 0
3 years ago
Carbon dioxide gas is produced by the reaction of oxygen gas and solid carbon . Write a balanced chemical equation for this reac
grandymaker [24]

I think it’s like this.

C+2O→CO2

5 0
3 years ago
What is the concentration of the base (NaOH) in this titration?
dalvyx [7]

The answer is B for fact

8 0
3 years ago
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8. Carbohydrates on cell membranes help cells
Natalka [10]

Answer:

A

Explanation:

5 0
3 years ago
What kind of orbital is occupied by the lone pair electrons in caffeine molecule?
Nataly [62]
The middle nitrogen has two sigma bonds and one pi bond. You know that one p orbital is used in the double bond and two sp2 orbitals are involved in the sigma bond. This leaves one sp2 orbital for the lone pair to occupy.
8 0
3 years ago
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