Balance the following equations. (b) CaC 2 + H 2 O → Ca(OH) 2 + C 2 H 2

Hey everyone. We're asked to balance the following chemical reaction. We can start by counting the number of atoms we have on both sides. Starting off with our calcium in our react inside we have three of calcium, two of nitrogen, two of hydrogen and one of oxygen. Looking at our product side, we have one of calcium, one of nitrogen, five of hydrogen and two of oxygen. We can start off by balancing out our calcium by adding a three prior to our calcium hydroxide. When we do this, we end up with three of calcium, nine of hydrogen and six of oxygen. Looking at our nitrogen, we can balance this out by adding a two prior to our ammonia. When we add this to, we change our nitrogen into two And we also change our hydrogen from a nine into a 12. Now to finish off this question, we can balance off our hydrogen and oxygen by adding a six prior to our water. So we end up with 12 of hydrogen and six of oxygen and this will be our final balanced chemical equation. So I hope this made sense. And let us know if you have any questions

Ch.3 - Mass Relationships in Chemical Reactions

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McMurry 8th Edition

Ch.3 - Mass Relationships in Chemical Reactions

Problem 38b

Chapter 3, Problem 38b

Balance the following equations. (b) CaC₂ + H₂O → Ca(OH)₂ + C₂H₂

Verified step by step guidance

Identify the number of each type of atom on both sides of the equation: Ca, C, H, and O.

Start by balancing the atoms that appear in the fewest compounds. In this case, balance the calcium (Ca) atoms first.

Next, balance the carbon (C) atoms. There are 2 carbon atoms in C_2H_2, so ensure there are 2 carbon atoms on the reactant side.

Balance the hydrogen (H) atoms. There are 2 hydrogen atoms in H_2O and 2 in C_2H_2, so adjust the coefficients to balance the hydrogen atoms.

Finally, balance the oxygen (O) atoms. There are 2 oxygen atoms in Ca(OH)_2, so ensure the same number of oxygen atoms on the reactant side.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Balancing Chemical Equations

Balancing chemical equations involves ensuring that the number of atoms of each element is the same on both sides of the equation. This is based on the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. Coefficients are used to adjust the quantities of reactants and products to achieve balance.

Stoichiometry

Stoichiometry is the calculation of reactants and products in chemical reactions. It allows chemists to predict the amounts of substances consumed and produced in a reaction based on balanced equations. Understanding stoichiometry is essential for accurately balancing equations and determining the relationships between different compounds.

Types of Chemical Reactions

Chemical reactions can be classified into several types, including synthesis, decomposition, single replacement, and double replacement. The reaction between calcium carbide (CaC2) and water (H2O) is a type of double replacement reaction, where the components of the reactants exchange partners. Recognizing the type of reaction helps in predicting the products and balancing the equation.

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