Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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I need help with the balanced chemical equation

4. Write and balance the chemical equation that relates to each of the following word equations: Remember that some elements exist as diatomic molecules (oxygen, nitrogen, hydrogen, halogens). a. solid zinc metal + oxygen gas → solid zinc oxide b. HCl (aq) + magnesium hydroxide (aq) → magnesium chloride (aq) + water c. HNO3 (aq) + calcium hydroxide (s) → calcium nitrate (aq) + water
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Transcribed Image Text:4. Write and balance the chemical equation that relates to each of the following word equations: Remember that some elements exist as diatomic molecules (oxygen, nitrogen, hydrogen, halogens). a. solid zinc metal + oxygen gas → solid zinc oxide b. HCl (aq) + magnesium hydroxide (aq) → magnesium chloride (aq) + water c. HNO3 (aq) + calcium hydroxide (s) → calcium nitrate (aq) + water
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A chemical reaction is said to be balanced when the number of atoms on both sides of the equation is equal. The balanced equation follows the law of conservation of mass.

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