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Chemistry, 21.06.2019 17:10
For which one of the following reactions is the value of Ξ΄hΒ° rxn equal to Ξ΄hΒ° f for the product? a. 2 h2 (g) + o2 (g) β 2 h2o (l) b. n2 (g) + o2 (g) β 2 no (g) c. 2 h2 (g) + o2 (g) β 2 h2o (g) d. h2o (l) + 1/2 o2 (g) β h2o2 (l) e. none of the above
Answers: 1
Chemistry, 21.06.2019 19:50
Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.
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Chemistry, 22.06.2019 21:00
Which property of water causes water drops to bead on a freshly waxed car?
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Chemistry, 22.06.2019 22:00
Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
Answers: 3
What is the state of matter for 2NH3, 2NaCl and 2KNO3+PBI2....
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