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The Reaction of Calcium with Water

The Reaction of Calcium with Water. O 2 , H 2 , N 2 , F 2 , Cl 2 , Br 2 , I 2 Ca + 2H 2 O  H 2 + Ca(OH) 2 H 2 (note “hydrogen” refers to both the element and the diatomic gas) 2H 2 + O 2  2H 2 O 2:1 2:1 The ¼ tube has a H 2 :O 2 of 1.7:1 ratio (closest to 2:1)

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The Reaction of Calcium with Water

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  1. The Reaction of Calcium with Water • O2, H2, N2, F2, Cl2, Br2, I2 • Ca + 2H2O  H2 + Ca(OH)2 • H2 (note “hydrogen” refers to both the element and the diatomic gas) • 2H2 + O2 2H2O • 2:1 • 2:1 • The ¼ tube has a H2:O2 of 1.7:1 ratio (closest to 2:1) • Yes, ¼ had the loudest pop (more reactants were used up). For more lessons, visit www.chalkbored.com

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