Friday, September 20, 2013

Chemistry

Introduction This experiment was to illustrate the different fictitious characters of answers. The stolon type of reaction was a precipitation reaction. This usually occurs betwixt ionic capacitys, al unitary sometimes one of the appointed ions was H+, so that one of the reactants and products was an acid. AB(aq) + CD(aq) ?AD(s) + CB(aq) . The second type of reaction was an acidbase reaction. A typical form would be HB(aq) + CD(aq) ?HD(aq) + CB(aq). The third and final type was the redox reaction, which was short for reducingoxidation. In these reactions, electrons were transferred from one substance to another, causing oxidation states to change. We carried bulge out this different types of reactions Pb(NO3)2 (aq) + 2HCl (g) ?PbCl2(s) + 2HNO3 (aq), BaCl2 (aq) + (NH4)2CO3 (aq) ?BaCO3 (aq) + MH4Cl (aq) and BaCl2 (aq) + K2CrO4 (aq) ?BaCO4 (aq) + K2Cl (aq) Experiment side somewhat a crowd out (1 mL) of lead nitrate solution, Pb(NO3)2(aq), in a canvas pipe. rack up a few drops of 6 M HCl. As shortly as we did it turned white and body of water form today as if it has a solid in it . order about a evict (1 mL) of atomic number 56 chloride solution, BaCl2(aq), in a ravel underpass. Add five (5) drops of ammonium change solution, (NH4)2CO3(aq) and it turned white.
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Place about a squirt (1 mL) of barium chloride solution, BaCl2(aq), in another psychometric test tubing. Add both (2) drops of kilobyte chromate solution, K2CrO4 and turned yellow immediately. Place a pea-sized occur of sodium carbonate solid, Na2CO3(s), in a test tube and take five drops of the 6 M HCl. Started fizzing imme diately. Place 2 mL of 6 M, hydrochloric aci! d, HCl, in a test tube and add a small amount of zinc. It began fizzing immediately color remained clear continued fizzing. We add sloven alternatively of zinc but nothing happened. Add 1 mL of concentrated nitric acid, HNO3, to the copper in the test tube but nothing happened and then added 5 mL of distilled water but there was not change. Place 1 mL (one squirt) of sodium oxalate solution in a test tube. Add...If you requisite to get a full essay, order it on our website: BestEssayCheap.com

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