Chemical Summative Sage Mortson & Jon boyd

Chemical 1 (L1): Copper (II) Bromide

We Know this, Because when Copper Bromide and Silver Nitrate mix it makes a Yellowish solid.

1CuBr2+2Ag(NO3) ➔ 1Cu(NO3)2+2AgBr

Copper Bromide ☟

Silver Precipitates - UW Dept. of Chemistry. Retrieved February 14, 2017, from http://depts.washington.edu/chem/facilserv/lecturedemo/SilverPrecipitates-UWDept.ofChemistry.html

We used this source, because it came from a reputable source, and it had information, on how silver would react when bonded or mixed with other chemicals.

Chemical 2 (L2): Copper (II) Chloride

We know it is Copper (II) Chloride because when mixed with Silver Nitrate it makes a Blue solid.

1CuCl2+2Ag(NO3) ➔1Cu(NO3)2+2AgCl

Copper Chloride☞

Silver Precipitates - UW Dept. of Chemistry. (n.d.). Retrieved February 14, 2017, from http://depts.washington.edu/chem/facilserv/lecturedemo/SilverPrecipitates-UWDept.ofChemistry.html

We used this source, because it came from a reputable source, and it had information, on how silver would react when bonded or mixed with other chemicals.

Chemical 3 (L3): Copper (II) Nitrate

We know it is Copper (II) Nitrate, because when we reacted it with Lead Nitrate it didn't do anything. It's okay that it didn't do anything, because our fourth reaction the state and color change signifying what chemical it is.

1Cu(NO3)2+1Pb(NO3)2 ➔ 1Cu(NO3)2+1Pb(NO3)2

Copper Nitrate☞

Copper(II) bromide | Br2Cu - PubChem. (n.d.). Retrieved February 14, 2017, from https://pubchem.ncbi.nlm.nih.gov/compound/Copper_II__bromide#section=Threshold-Limit-Values

We Used this source, because it came from a government site, that specializes in chemistry, and had useful information, on how copper bromide is supposed to react when mixed with other chemicals.

Chemical 4 (L4): Copper (II) Sulfate

We know this is Copper Sulfate because when mixed with Lead Nitrate it turn a Blue solid, two things that didn't happen in the previous experiment, like our predictions.

1Cu(SO4) + 1Pb(NO3)2 ➔ 1Cu(NO3)2 + 1Pb(SO4)

Copper Sulfate ☞

O, R. (2012, September). Chemistry: colors of precipitates. Retrieved February 14, 2017, from https://quizlet.com/18203738/chemistry-colors-of-precipitates-flash-cards/

We used this source, because it had color information on a ton of chemicals, and mixtures. it was useful in finding some of the chemicals we used and ruling some out.

Summary

We proved what Chemicals the blue liquids we're, using 4 tests, using color and state change to prove it was a certain chemical. We want to be graded on collaboration, and creativity.

Credits:

Created with images by Horia Varlan - "Red and blue liquids inside graduated test tubes"

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