Name type of bond a) X (Imks) ...Ch.volent..bond........ 3. b) Y Dolive...bond........ (1mks) When crystals of hydrated iron (ii) sulphate, FeSO4.7H2O were left in the open air overnight, they changed to light green powder a) Explain the observations above (1mk) b) Name the process involved (1mk)
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- O(1D) is just O* O(3P) is just oxgen molecule O. adapted from the textbook atmospheric chemistry: from the surface to the stratosphere (Grant Ritcie) could you plz provide the solutions for questions A to FGeneral Chemistry I Laboratory Manual, 2021 Revision 3) Reaction of Hydrogen with Oxygen: AHreaction per mole of H₂O Formed: Give a reference for this value, making sure you cite author, year, text name and edtion, publisher, and page number. pu Reaction of Magnesium with Oxygen: Summarize Data from the first three parts. odl Reaction 1) MgO(s) + 2HCl(aq) → MgCl2(aq) + H₂O(1) 2) Mg(s) + 2HCl(aq) → MgCl2(aq) + H₂(g) 3) H₂(g) + ¹/2O2(g) → H₂O(1) RI 4) Use your data and Hess' law to calculate AHreaction for: Mg(s) + 1/2O2(g) → MgO(s) Contex M 20 to tagio SPP ΔΗ S 117 T A Joost hard Maan HAA or hv ? "CO,Et
- Can you explain it in more detail(a) Ethanol, C2H5OH, can be made from glucose, C6H12O6 (i) Write an equation to represent this reaction. ...........…………………………………………………………………………. (ii) Give the name of this process for making ethanol. ...........…………………………………………………………………………. (b) Ethanol can be used as a fuel in the internal combustion engine of a motor car. (i) Write an equation for the complete combustion of ethanol. ...........…………………………………………………………………………. (ii) Identify a pollutant produced when ethanol is burned in a limited supply of air. ...........…………………………………………………………………………. (iii) Nitrogen monoxide, NO, is a pollutant gas produced by motor cars. Write an equation to represent a reaction occurring in the catalytic converter which decreases the amount of this pollutant. ...........…………………………………………………………………………. (c) Ethene can be formed by the dehydration of ethanol using concentrated sulphuric acid.Name a mechanism for this reaction. Name of mechanism…Testosterone is an anabolic steroid. The structure of testosterone is shown below. What is the idealised bond angle at the indicated atom (i) ? Hint: atom (iv) has been completed for you as an example. (iv) bond angle: 109.5°, geometry of the electron pairs: tetrahedral, shape of the bonds: tetrahedral iii |||I H H ….………|||I H ii iv
- An important reaction in the formation of photochemicalsmog is the photodissociation of NO2:NO2 + hv---->NO(g) + O(g) The maximum wavelength of light that can cause this reactionis 420 nm. (a) In what part of the electromagnetic spectrumis light with this wavelength found? (b) What is themaximum strength of a bond, in kJ/mol, that can be brokenby absorption of a photon of 420-nm light? (c) Write out thephotodissociation reaction showing Lewis-dot structures.(a) Write an equation for the complete combustion of butan-2-ol in an excess of oxygen. .....................................................................................................................................(1) (b) But-1-ene and other products can be made by the dehydration of butan-2-ol. (ii) Explain why but-1-ene does not show geometrical isomerism. ........................................................................................................................... ........................................................................................................................... (iii) An alternative dehydration of butan-2-ol produces geometrical isomers.Draw the structure of one of these geometrical isomers and give its full name. Structure of geometrical isomer Name.................................................................................................................(3)Choose the major product of the reaction with correct regio- and stereo-chemistry. OH 'Br Br "Br "Br 'OH Br₂ H₂O FILE
- The percent ionic character of the bonds in several interhalogen Molecules (as estimated from their measured dipole moments and bond lengths) are ClF (11%), BrF(15%), BrCl (5.6%), ICl(5.8%), and IBr (10%). Estimate the percent ionic characters for each of these molecules, using the equation in Problem 37, and compare them with the given values.Please don't provide handwritten solution......||| Write the empirical formula for at least four ionic compounds that could be formed from 4+ So, Pb, NH4, BrO3 रु ते tab Module shift caps lock .?123 Pb (BrO.). (NH) SO. 4 1 @ 2 a N W S #3 X e d $ 4 C r f % 5 V t g ^ 6 b 0,0,... y X h & 7 n C