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Balancing Chemical Equation with Substitution - Chemical Reactions and Stoichiometry, Chemistry Video Lecture - Chemical Engineering

FAQs on Balancing Chemical Equation with Substitution - Chemical Reactions and Stoichiometry, Chemistry Video Lecture - Chemical Engineering

1. What is the process of balancing a chemical equation?
Ans. Balancing a chemical equation is the process of ensuring that the number of atoms of each element is equal on both sides of the equation. This is done by adjusting the coefficients in front of the chemical formulas to achieve balance.
2. Why is it important to balance chemical equations?
Ans. It is important to balance chemical equations because they represent the conservation of mass and atoms in a chemical reaction. Balanced equations provide accurate information about the mole ratios and the quantities of reactants and products involved in a reaction.
3. How do you substitute elements to balance a chemical equation?
Ans. Substitution is one of the methods used to balance chemical equations. In this process, you can replace a compound or element with another compound or element to balance the equation. However, it is crucial to ensure that the substituted compound or element has the same number of atoms as the original compound or element.
4. What are some common strategies to balance chemical equations?
Ans. Some common strategies to balance chemical equations include: 1. Adjusting the coefficients: Changing the coefficients in front of the chemical formulas to achieve an equal number of atoms on both sides. 2. Substitution: Replacing a compound or element with another compound or element to balance the equation. 3. Fractional coefficients: Using fractional coefficients to balance equations when necessary. 4. Redox reactions: Balancing redox reactions by balancing the number of atoms and charges on both sides. 5. Checking for balance: Verifying that all atoms are balanced by counting the number of atoms of each element on both sides of the equation.
5. Can you provide an example of balancing a chemical equation using substitution?
Ans. Sure! Let's take the unbalanced equation: CH4 + O2 -> CO2 + H2O To balance this equation using substitution, we can start by substituting CO2 with CH4 to balance the carbon atoms. This gives us: CH4 + O2 -> CH4 + H2O Now, we can substitute H2O with O2 to balance the oxygen atoms. This gives us: CH4 + O2 -> CH4 + O2 Finally, the equation is balanced: CH4 + 2O2 -> CO2 + 2H2O
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