In the equation c2h4 + 3o2 = ? co2 + 2h2o, how many co2 molecules are needed to balance the equation?

1 answer:

8 0

C2H4 +3O2 =?CO2 +2H2O
The number of CO2 molecule s that are needed to balance the equation are

two (2)

that is C2H4 +3O2 = 2CO2+ 2H2O

1 molecule of ethane (C2H4) is burned in presence of oxygen to form 2 molecules of carbon(iv) oxide (CO20 and 2 molecules of water(H2O)

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In your own words, describe how a hurricane forms. (5 points)

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A solution is created by dissolving 11.5 grams of ammonium chloride in enough water to make 255 mL of solution. How many moles o

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Answer:

<h2>The no. of moles present in one liter solution is 0.843</h2>

Explanation:

Mass of ammonium chloride = 11.5 gm

Molar mass of ammonium chloride = 53.491 gm

No. of moles

$N = \frac{mass}{molar \ mass}$