Chemistry

Introduction: This lab was done to comp atomic number 18 molecular(a) and garret solids on the basis of conductivity, asperity, solubility and break up point. This lab started with interrogation for solubility by putting a scoop of undividedly inwardness into separate test tubes make full with 10mL of water. The second break in tried and true for conductivity by taking a elfin sample from each test tube, used in the preceding diverge, pouring onto individual watch spectacles and testing for conductivity using a low-voltage conductivity apparatus. The third man tested for hardness by taking a a couple of(prenominal) microscopical samples of each solid, putting them onto individual watch glasses and inhibition with a scoopula. The relative hardness was then ranked. The 4th part was warming point and the melting point in this baptismal font was given in the beginning and not tested for. ascertained was that ionic compounds (tested were KI and NaCl) put up highe r melting points, atomic number 18 harder, more soluble, and conduct electricity while molecular compounds (tested were CHO and CH) have lower melting points, are softer, are non-soluble, and do not conduct electricity. Purpose: The purpose of this experiment was to look into how ionic and molecular solids compare on the basis of conductivity, solubility, arms and melting point. Hypothesis: I predict that KI and NaCl are ionic be caseful they are both a bond amongst a metal and non-metal.

I predict that CHO and CH are molecular because they are bonds between non-metals only. Apparatus: eye protectio n passion oil iodide, KI(S) sodium chlo! ride, NaCl(s) sucrose, CHO(s) Naphthalene, CH(S) low-voltage conductivity apparatus 6 ample test tubes test tube rack beleaguer water scoopula medicine dropper 10mL receive cylinder 6 watch glasses test tube stopper 3 gator clips unidentified solid sample Safety: Naphthalene kept in grass hood as it can fret throat and cause headaches eye protection to keep substance out of eyeb tout ensemble in case of spills Procedure: 1.Gather all necessary materials Part...If you take to get a full essay, set it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper