DATE: 10/2/2012 LAB 3 cancel & CHEMICAL PROPERTIES *Adapted from LabPaq Purpose: To determine whether certain pitchs in matter are chemical or physical, and to describe the neuters in detail using observational skills Observations and Experimental Data: warmness: Mg people of color: Silver look: cold-shouldery exercise of modify: Particles moved, bubbles flowing up to top Solub. or reply w/ ice-cold H2O: No reaction Solub. or chemical reaction w/ racy H2O: Bubbles produced from the gas litmus see test: ablaze(p) dour blue and blue had no change Dilute HCl: Sizzle, steams, heat output Dilute NaOH: Gas was formed. centre: Cu excuse: Redish Brown Odor: none raise of warming: Became darker, almost purple like. Solub. or reaction w/cold H2O: No reaction Solub. or reply w/ calorifacient H2O: No reaction litmus test test: No reaction on deprivation or blue. Dilute HCl: Solution turned yellowish, but no material reaction on copper Dilute NaOH: No reaction meat: Zn Color: Silver Odor: None Effect of Heat: None Solub. or Reaction w/cold H2O:None Solub. or Reaction w/ sweltering H2O: None Litmus test: lively turned white. Red had no reaction. Dilute HCl: Bubbles up and fumes form, the zinc became darker in color. Dilute NaOH: None Substance: MgO Color: White Odor: Yes Effect of Heat: None Solub.

or Reaction w/cold H2O: dismantle water turned white. Solub. or Reaction w/ acrid H2O: MgO separated from water. Litmus test: Red turned blue and blue had no reaction Dilute HCl: Fizzes and bosom turns yellowish whi le bubbling the back to white. Dilute NaOH:! Dissolves and spirit became a bit thick Substance: CuCO3 Color: leafy ve rewardable Odor: Yes Effect of Heat: Turned into black powderise Solub. or Reaction w/cold H2O: No reaction. Solub. or Reaction w/hot H2O: No reaction Litmus test: No change on blue or red. Dilute HCl: Bubbles up, does not dissolve, antecedent turns thou Dilute NaOH: Turns navy blue Substance: Cu(NO3)2 Color: Blue Odor: Slight odor. Effect of Heat:...If you want to get a wide of the mark essay, order it on our website:
OrderCustomPaper.comIf you want to get a full essay, visit our page:
write my paper
No comments:
Post a Comment