Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH=11. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) Ostable HO Ounstable ? Х OH Ostable E Ounstable HO HO Ostable "Ostable Ounstable Ounstable Explanation Check Х C + © 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility o0o 信 Ar

Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH=11. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) Ostable HO Ounstable ? Х OH Ostable E Ounstable HO HO Ostable "Ostable Ounstable Ounstable Explanation Check Х C + © 2024 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility o0o 信 Ar

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter19: The Chemistry Of The Main-group Elements

Section: Chapter Questions

Problem 68QRT

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Compound ∆Hf (kJ/mole) ∆S (J/mole K) C2H4 52.4 219.3 C2H6 –84.68 229.2 SiO2 –910.7 41.5 HF –273.3 173.8 SiF4 –1615.0 282.8 NH3 –45.9 192.9 O2 1.88 2.43 NO 91.3 210.8 H2O(g) –241.8 188.8 For the following reactions, using the provided ∆H and ∆S data, determine whether each one would be spontaneous or nonspontaneous at 25°C. C2H4(g) + H2(g) --------à C2H6(g) SiO2 + 4 HF(g) -------------> SiF4 (g) + 2 H2O(g) 4 NH3(g) + 5 O (g) ---------> 4 NO(g) + 6 H2O(g)
Compound ∆Hf (kJ/mole) ∆S (J/mole K) C2H4 52.4 219.3 C2H6 –84.68 229.2 SiO2 –910.7 41.5 HF –273.3 173.8 SiF4 –1615.0 282.8 NH3 –45.9 192.9 O2 1.88 2.43 NO 91.3 210.8 H2O(g) –241.8 188.8 4 NH3 + 5 O2 -> 4 NO + 6 H2O
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Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on.
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Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance A B U D chemical symbol, chemical formula or Lewis structure H H 1 | H-C C 1 I I H H H Ar H I Ag : 0: C-O-H :0: ||| H-C-C-C-H 44 boiling point ✓ (Choose one) 1 (highest) 2 W N 3 4 (lowest) (Choose one) ↑ (Choose one) (Choose one) ↑