Balancing Chemical equations

What is the fundamental principle that ensures the number and type of atoms remain the same on both sides of a chemical equation?

• Law of Conservation of Energy

• Law of Conservation of Mass

• Atomic Theory

• Periodic Table Rule

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What is the first step in the algebraic method for balancing chemical equations?

• Guessing the coefficients

• Counting the number of atoms

• Using the periodic table

• Assigning letters to represent coefficients

In the algebraic method, what happens after creating rules for each element?

• You guess the coefficients

• You substitute values to simplify equations

• You balance the equation by trial and error

• You use the periodic table to find atomic weights

What is the key advantage of the 'pro method' for balancing equations?

• It uses logical shortcuts to reduce variables

• It skips the conservation of mass principle

• It eliminates the need for algebra

• It relies on trial and error

How do you handle fractions when balancing equations using the algebraic method?

• Ignore the fraction and proceed

• Multiply all coefficients by a number to make the fraction a whole number

• Divide all coefficients by the fraction

• Use decimals instead of fractions