Please correct answer and don't use hand rating 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 isunstable, you can pick any of them to redraw.)HO40OHOstableO unstable.OHHOstableO unstableXOstableOunstableHOOHOstableO unstable

To determine the stability of each molecule at pH = 11, we need to consider if each functional…

Answered: Decide whether each of the molecules in…

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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Based on the results of the solubility tests and chemical tests, what is the most probable structure of C7H9N? You may draw the compound using line-bond formula OR Lewis structure.
26. When a mixture of hydrogen and bromine is maintained at normal atmospheric pressure and heated above 200°C in a closed container, the hydrogen and bromine react to form hydrogen bromide and a gas-phase equilibrium is established. a) Write a balanced chemical equation for the equilibrium reaction. b) Use bond enthalpies to estimate the enthalpy change for the reaction. c) Based on your answers to parts (a) and (b), which is more important in determining the position of this equilibrium, the entropy effect or the energy effect? d) In which direction will the equilibrium shift as the temperature increases above 200°C? Explain. e) Suppose that the pressure were increased to triple its initial value. In which direction would the equilibrium shift? f) Why is the equilibrium not established at room temperature?
2 HC= CH + 5 O2 > 4 co2 + 2 h2o What is the energy of the reaction and is it exo- or endothermic?
Explain which is the stronger acid, H3PO4 or H2SO3; CCl3CH2COOH or CCl2FCH2COOH. [Draw possible Lewis structure models]
Write Lewis structures for CO32, HCO3, and H2CO3. When acid is added to an aqueous solution containing carbonate or bicarbonate ions, carbon dioxide gas is formed. We generally say that carbonic acid (H2C03) is unstable. Use bond energies to estimate E for the reaction (in the gas phase) H2CO3CO2+H2O Specify a possible cause for the instability of carbonic acid.
Bicarbonate is the most abundant anion in the blood. This anion is essential to increase metabolic acidosis in the body. O fonly the second statement is correct Both statements are correct None of the statements are correct If only the first statement is correct
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
Using the table of average bond energies below, the AH for the reaction is kJ. ethanol → ethene + water нн нн Н—С—с—0—н → Ć=Ċ + H-0-H Bond сСС-СО-НС-Н СО AH (kJ/mol) 611 348 464 413 360 -6168 6168 -306 63 46 217
18. (a) Molecule N₂H4 (1) + 2 H₂O2 (1) → N2(g) + 4 H₂O (1) Complete the following table: Lewis Dot Structure (use dots or lines to show bonds) (b) (c) (d) N₂H4 H₂O2 N₂ H₂O Calculate the AH°rxn using average bond energies (Table 9.4 in textbook) Calculate the AH°rxn using the standard enthalpies of formation (Appendix 2 in textbook) Why are these two values slightly different?
How do I do this?
The breaking of the O-O bond in peroxydisulfuryl difluoride (FO,SOOSO,F) gives FO,SO: (FO2SO)2 2 2 FO2SO The compound on the left of this equation is a colorless liquid that boils at 67.1°C. Its vapor, when heated to about 100°C, turns brown as the product of the reaction forms. Suppose that, in a sample of the vapor, the intensity of the brown color doubles between 100°C and 110°C and that the total pressure increases only by the 2.7% predicted for an ideal gas. Estimate AH° for the preceding reaction.

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