Which of the models shown below best represents the modern understanding of the structure of the atom? Model B
Model A
Model A
Model C
Photos by Phood and Furman
Model B
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Model C

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass