C2H4 + H2O = C2H6O2 + H2 - Chemical Equation Balancer

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Use the calculator below to balance chemical equations and determine the type of reaction (instructions).

Chemical Equation Balancer 🛠️ Balance Equation ➜

Balanced Chemical Equation

C2H4 + 2H2O → C2H6O2 + H2 ⬇ Scroll down to see reaction info and a step-by-step answer, or balance another equation.

Reaction Information Disclaimer

Word Equation

Ethylene + Water = Ethylene Glycol + Dihydrogen

C2H4 + H2O = C2H6O2 + H2 is a Double Displacement (Metathesis) reaction where one mole of Ethylene [C2H4] and two moles of Water [H2O] react to form one mole of Ethylene Glycol [C2H6O2] and one mole of Dihydrogen [H2]

Show Chemical Structure Image

Reaction Type

Double Displacement (Metathesis)

Redox (Oxidation-Reduction) Reaction

C2H4 + H2O = C2H6O2 + H2 might be a redox reaction.

Reactants

• Ethylene - C2H4

  R-1150 H2C=Ch2 Ch2=Ch2 Ethene C2H4 Molar Mass C2H4 Oxidation Number

• Water - H2O

  Hydroxic Acid H₂O [Oh2] Aqua Pure Water Hydrogen Oxide Oxidane Dihydrogen Oxide H2O Molar Mass H2O Oxidation Number

Products

• Ethylene Glycol - C2H6O2

  2-Hydroxyethanol Ethanediol Monoethylene Glycol Glycol Alcohol Glycol 1,2-Ethanediol 1,2-Dihydroxyethane Ethylene Alcohol C2H6O2 Molar Mass C2H6O2 Oxidation Number

• Dihydrogen - H2

  Molecular Hydrogen Hydrogen Molecule Hydrogen Hydrogen Gas Molecular Hydrogen Gas H₂ H2 Molar Mass H2 Bond Polarity H2 Oxidation Number

Reaction Expressions

Equilibrium Constant & Reaction Quotient Kc or Q = ( [C2H6O2] [H2] ) / ( [C2H4] [H2O]2 )(assuming all reactants and products are aqueous. substitutue 1 for any solids/liquids, and Psubstance for gases.) Rate of Reaction rate = -(Δ[C2H4] / Δt) = -1/2 * (Δ[H2O] / Δt) = (Δ[C2H6O2] / Δt) = (Δ[H2] / Δt)(assuming constant volume in a closed system and no accumulation of intermediates or side products) Calculate Reaction Stoichiometry Calculate Limiting Reagent

• Algebraic Method
• Using Inspection

Balance C2H4 + H2O = C2H6O2 + H2 Using the Algebraic Method

To balance the equation C2H4 + H2O = C2H6O2 + H2 using the algebraic method step-by-step, you must have experience solving systems of linear equations. The most common methods are substitution/elimination and linear algebra, but any similar method will work.

Step 1: Label Each Compound With a Variable

Label each compound (reactant or product) in the equation with a variable to represent the unknown coefficients.

a C2H4 + b H2O = c C2H6O2 + d H2

Step 2: Create a System of Equations

Create an equation for each element (C, H, O) where each term represents the number of atoms of the element in each reactant or product.

C: 2a + 0b = 2c + 0d H: 4a + 2b = 6c + 2d O: 0a + 1b = 2c + 0d

Step 3: Solve For All Variables

Use substitution, Gaussian elimination, or a calculator to solve for each variable.

Using Substitution or Elimination

• 2a - 2c = 0
• 4a + 2b - 6c - 2d = 0
• 1b - 2c = 0

Using Linear Systems / Algebra

Use your graphing calculator's rref() function (or an online rref calculator) to convert the following matrix into reduced row-echelon-form:

[ 2 0 -2 0 0] [ 4 2 -6 -2 0] [ 0 1 -2 0 0] The resulting matrix can be used to determine the coefficients. In the case of a single solution, the last column of the matrix will contain the coefficients. Convert to RREF and Solve Step-by-Step

Simplify the result to get the lowest, whole integer values.

• a = 1 (C2H4)
• b = 2 (H2O)
• c = 1 (C2H6O2)
• d = 1 (H2)

Step 4: Substitute Coefficients and Verify Result

Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced.

C2H4 + 2 H2O = C2H6O2 + H2

Reactants	Products
C	2	2	✔️
H	8	8	✔️
O	2	2	✔️

Since there is an equal number of each element in the reactants and products of C2H4 + 2H2O = C2H6O2 + H2, the equation is balanced.

Balance C2H4 + H2O = C2H6O2 + H2 Using Inspection

The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. To be balanced, every element in C2H4 + H2O = C2H6O2 + H2 must have the same number of atoms on each side of the equation. When using the inspection method (also known as the trial-and-error method), this principle is used to balance one element at a time until both sides are equal and the chemical equation is balanced.

Step 1: Count the number of each element on the left and right hand sides

Reactants (Left Hand Side)			Products (Right Hand Side)
Reactants	Products
C2H4	H2O	Total	C2H6O2	H2	Total
C	2	2	2	2	✔️
H	4	2	6	6	2	8	❌
O	1	1	2	2	❌

Step 2: Multiply coefficients for compounds to balance out each element

For each element that is not equal, try to balance it by adding more of it to the side with less. Sometimes there may be multiple compounds with that element on one side, so you'll need to use your best judgement and be prepared to go back and try the other options.

1. H is not balanced. Add 1 molecule of H2O to the reactant (left-hand) side to balance Hydrogen: C2H4 + 2H2O = C2H6O2 + H2

   Reactants	Products
   C	2	2	✔️
   H	8	8	✔️
   O	2	2	✔️

Step 3: Verify that the equation is balanced

Since there are an equal number of atoms of each element on both sides, the equation is balanced.

C2H4 + 2H2O = C2H6O2 + H2

Practice Balancing

C2H4 - + + H2O - + = C2H6O2 - + + H2 - +

Reactants	Products
C	2	2	✔️
H	6	8	❌
O	1	2	❌

Hint: The sum of coefficients is 5. See Step-By-Step Solution Chemical Equation Balancer

Instructions

To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The balanced equation will appear above.

• Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F.
• Ionic charges are not yet supported and will be ignored.
• Replace immutable groups in compounds to avoid ambiguity. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will.
• Compound states [like (s) (aq) or (g)] are not required.
• You can use parenthesis () or brackets [].

Examples

• Ethylene + Water = Ethylene Glycol + Dihydrogen
• C2H4 + H2O + CO2 = CH3CH2COOH
• C2H4 + H2O + Fe = CH4 + Fe(OH)2
• C2H4 + H2O + H + MnO4 = C2H6O2 + Mn
• C2H4 + H2O + H2SO4 = C2H6 + O2 + H2SO4
• C2H4 + H2O + HMnO4 = C2H6O + Mn
• C2H4 + H2O + H{+} + MnO4{-} = C2H6O2 + Mn{2+}
• C2H4 + H2O + KMnO4 = C2H4(OH)2 + KOH + MnO2
• C2H4 + H2O + KMnO4 = C2H4(OH)2 + MnO2 + KOH
• SO + O3 = SO2 + O2
• (2Al) + (6HCl) = AlCl3 + (3H2)
• CaH2 + H2O = Ca3(OH)2 + H2
• H3PO4 + N(CH3)3 = HN(CH3)3 + PO4
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