What is the balanced form of the chemical equation shown below?Cr(s) + Cl2(g) CrCl3(s)A.Cr(s) + Cl2(g) CrCl3(s)B.2Cr(s) + 3Cl2(g) 2CrCl3(s)C.Cr(s) + 3Cl2(g) CrCl3(s)D.Cr(s) + Cl2(g) CrCl2(s)
Question
What is the balanced form of the chemical equation shown below?Cr(s) + Cl2(g) CrCl3(s)A.Cr(s) + Cl2(g) CrCl3(s)B.2Cr(s) + 3Cl2(g) 2CrCl3(s)C.Cr(s) + 3Cl2(g) CrCl3(s)D.Cr(s) + Cl2(g) CrCl2(s)
Solution
The balanced form of the chemical equation Cr(s) + Cl2(g) -> CrCl3(s) is B. 2Cr(s) + 3Cl2(g) -> 2CrCl3(s).
Here's the step by step process:
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Identify the number of atoms for each element on both sides of the equation. In the unbalanced equation, we have 1 Cr and 2 Cl on the left side, and 1 Cr and 3 Cl on the right side.
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Balance the equation by adjusting the coefficients (the numbers in front of the elements or compounds) so that the number of atoms for each element is the same on both sides. In this case, we can balance the equation by putting a 2 in front of Cr(s) and CrCl3(s), and a 3 in front of Cl2(g).
So, the balanced equation is 2Cr(s) + 3Cl2(g) -> 2CrCl3(s). This means option B is the correct answer.
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