4. Sodium metal (Na) reacts with chlorine gas ( I Cl₂) to produce solid sodium chloride (NaCl). (a) Write an unbalanced chemical equation for this reaction. (b) Explain why the equation is unbalanced and then balance the chemical equation.

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Sodium metal (Na) reacts with chlorine gas (^ Cl 2 ) to produce solid sodium chloride (NaCl) (a) Write an unbalanced chemical equation for this reaction.

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4. Sodium metal (Na) reacts with chlorine gas (²) to produce solid sodium chloride (NaCl).
(a) Write an unbalanced chemical equation for this reaction.
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(b) Explain why the equation is unbalanced and then balance the chemical equation.
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5. Consider the following experiment: A block of iron with an initial mass of 50 g is placed in a sealed
container of pure oxygen. After several days, the block is red in color and has a mass of 74 g. Are these
observations a violation of the law of conservation of mass? Justify your answer.
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6. Which of the following chemical equations is correctly balanced? Balance the equation that is not
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Transcribed Image Text:WoB0hrXolu7UEKbq4f8LBMHfpjHBRVU3qUzV17K80U/edit K ✩ D Extensions Help H Calibri Lemmi AMORE 16 2 18 Baad 7 (0) mum Cl₂ 4. Sodium metal (Na) reacts with chlorine gas (²) to produce solid sodium chloride (NaCl). (a) Write an unbalanced chemical equation for this reaction. fg + - E BI UA Ο © □ □ 3 - DE $E VE 3 (b) Explain why the equation is unbalanced and then balance the chemical equation. 4 5. Consider the following experiment: A block of iron with an initial mass of 50 g is placed in a sealed container of pure oxygen. After several days, the block is red in color and has a mass of 74 g. Are these observations a violation of the law of conservation of mass? Justify your answer. f10 balanced. 6. Which of the following chemical equations is correctly balanced? Balance the equation that is not insert Home THA F☆☆ men P $12 prt scr 7 64°F Mostly sunny 3
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