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lukranit [14]
3 years ago
9

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

Chemistry
2 answers:
dezoksy [38]3 years ago
5 0
The answer would be B, as there is only a set amount of matter in the universe.
cestrela7 [59]3 years ago
4 0
C each element must be balanced, as there are not equal atoms on Both sides of the equation.
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You have 1169.6 g of a bleach solution. The percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%. How many grams o
Aneli [31]

Answer:

Mass of solvent is 1127.3 g

Explanation:

NaOCl → 3.62%

This percent means, that in 100 g of bleach solution, there are 3.62 g of NaOCl. So let's make a rule of three:

100 g of bleach solution have 3.62 g

1169.6 g of bleach solution may have (1169.6  . 3.62) /100 = 42.3 g

42.3 g is the mass of NaOCl in the solution

Mass of solution = Mass of solvent + Mass of solute

1169.6 g = Mass of solvent + 42.3 g

1169.6 g - 42.3 g = Mass of solvent → 1127.3 g

7 0
3 years ago
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Which equation describes the process of photosynthesis?
Vedmedyk [2.9K]

Answer:

The FIRST option, give me brainliest answer pls

Explanation:

The photosynthesis equation is as follows: 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen

5 0
1 year ago
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Write the formulas for the following ionic compounds.
valentinak56 [21]

Answer:

1) KI

2) Mg3P2

3) Ag2S

4) FeBr3

5) Mg(OH)2

6) Na2SO4

7) Pb(NO3)4

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2 years ago
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3 years ago
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2Ni(OH) → Ni2O + H2O <br> How many moles of water forms from 4.20 mol of nickel (I) hydroxide?
butalik [34]

Answer:

2.1 moles of water formed.

Explanation:

Given data:

Moles of water formed = ?

Moles of Ni(OH) = 4.20 mol

Solution:

Chemical equation:

2Ni(OH)    →  Ni₂O + H₂O

Now we will compare the moles of Ni(OH)  with water.

             Ni(OH)           :            H₂O

                2                 :              1

              4.20             :            1/2×4.20 = 2.1 mol

2.1 moles of water formed.

5 0
2 years ago
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