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- Propose two molecular formulas for each of the following molecular ions: (a) 72; (b) 100; (c) 73.Balance the following redox reactions, to their simplest form, by supplying the correct coefficients before each compound for #s 1-15. The unknown coefficients of the compounds should be whole numbers. Note: The reactions below are not yet balanced.please make the explanation clear and thank you for your help
- What's More Activity 1. Strength of IMFA and Physical Properties of Covalent Compounds Ror each pair of molecules, identify the one with the higher boiling point (BP), melting noint (MP), viscosity (V), surface tension (ST) and vapor pressure (VP). Briefly explain your choice. BP MP LS H--H H. Methane, CH4 carbon tetrachloride, CC14 S. Dihydrogen sulfide, H2S H. H water, H2O H-0-5-H H-C-C-Ö-H H. Methanol, CH3OH H ethanol, CH3CH2OH H. H. H-C-C=ÖH H-C-C-C-H H. Acetic acid, CH,COOH H. acetone, CH,OCH3 Adapted from Punzalan and Monserat (2016)Calculate the moles of OH- present in the sample aliquots for each trialPb(NO3)2, PbCO3, PbCrO4, PbS, PbSO4 Rank increasing solubility, 1 being the lowest,5 being the highest and explain as to why please
- Given is teh mass spectogram of an unknown compoound. This unstable cyclic compund is a colorless liquid with a sharp odor and reacts with light and air with long exposure. What is the molar mass of the target mecule? What is the Molecular formula of the target molecule? What IHD /U ? What could be the description of the structure? Give the name of the structure.4. Please rank the following in order of ... a) increasing pK: HCIO4, HCIO3, HCIO2, H2O b) increasing solubility in water: BaSO4, CaSO4, MgSO4Use resonance/equilibria structures and explain the difference in pka. کھوچھ OH NO₂ C D OH
- Based on the pKa values of the following substituted acetic acids, which is a stronger electron-withdrawing group, CO2H or NO2? Can you explain why? Hint: Write out the complete Lewis structures. O,N. C. ОН HO H2 H2 pKa = 1.68 pK = 2.83Most of the pKa values given in this text were determined in water. How would the pKa values of carboxylic acids, alcohols, ammonium ions (RNH32) , phenol, and an anilinium ion (C6H5NH32) change if they were determined in a solvent less polar than water?How does the chemical inertness of CCl2F2 (Freon-12) relate to the usefulness and theproblems associated with this compound?