Posts in category: Chemistry

Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: (a) SF6, (b) IF5, (c) XeO3, (d) dinitrogen tetroxide, (e) hydrogen cyanide, (f) tetraphosphorus hexasulfide. Answer Bina

Complete and balance each acid-base equation. 2 H2SO4 (aq) + _ Ca(OH)2 (aq) ? HClO4 (aq) + _ KOH (aq) ? H2SO4 (aq) + _ NaOH (aq) ? Answer Balanced Acid-Base Equations body { font-family: 'Segoe UI', sans-serif;

5.00 g of a certain Compound known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of is burned completely in excess oxygen, and the mass of the products carefully measured: product carbon dioxide water Use this

For the reaction xA(g) → yB(g), which of the following statements are correct? Answer Reaction Kinetics Analysis - Zero Order body { font-family: Arial, sans-serif; margin: 40px; background-color: #f8f9fa;

Calculate E0 for the process M→M3++3e Given M→M2++2e,E0=0.44V and M2+→M3++e,E0=-0.77V Answer Standard Electrode Potential Calculation body { font-family: Arial, sans-serif; background-color: #f8f9fa; color:

For the standard dissolved in dichloromethane, the absorption and fluorescence spectra are 0.23,λex =460∩.Consider sample 1, and a dyad of Answer Photophysical Properties and Diagrams body { font-family: Arial, san

Calculate to three significant digits the density of carbon monoxide gas at exactly 25∘C and exactly 1 atm. You can assume carbon monoxide gas Answer Density of CO Gas Calculation body { font-family: Arial, sans-serif;

For many purposes, we can treat methane (CH4) as an ideal gas at temperatures above its boiling point of -161.°C. Suppose the temperature of a Answer Methane Gas Volume Change body { font-family: Arial, sans-serif;

Which of the following processes is endothermic, given the following:S(s) + O2(g) →SO2(g) ΔH = –299 kJ/molS(s) + 3/2 O2(g) →SO3(g) ΔH Answer Endothermic Process Identification body { font-family: "Segoe UI", sans-serif;

Scrieti produsii de reactie rezultati din urmatoarele reactii de reducere:R-→O→II→1.NaBH4R’C-OOR’→?2.H3O 1.LiAlH45Seminar RCOFSAn Answer Reduction of Carbonyl and Acid Derivatives body { background-color: #fefefe;