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Evidence of a Chemical Reaction Lab

Evidence of a Chemical Reaction Lab. Used for Physical Science: Mrs. DeLisa Whittaker Mr. Bret Rogers Ms. Jelia Day. Sign I: Mg metal + HCl. Describe what happens. http://wiki.answers.com/Q/What_happens_when_you_put_magnesium_and_hydrochloric_acid_together

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Evidence of a Chemical Reaction Lab

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  1. Evidence of a Chemical Reaction Lab Used for Physical Science: Mrs. DeLisa Whittaker Mr. Bret Rogers Ms. Jelia Day

  2. Sign I: Mg metal + HCl Describe what happens http://wiki.answers.com/Q/What_happens_when_you_put_magnesium_and_hydrochloric_acid_together • _____________________________________________________________________ Mg + HCl ____ + ____

  3. Sign I: Mg metal + ZnSO4 Describe what happens http://wiki.answers.com/Q/What_happens_when_you_add_magnesium_to_zinc_sulfate • _____________________________________________________________________ Mg + ZnSO4 ____ + ____

  4. Sign II Describe the colors observed when you mix the following chemicals: • a. 0.1 M NaOH with phenolphthalein ___________________

  5. Sign II: Describe the colors observed when you mix the following chemicals: • b. H2O & dry ice with universal indicator ___________________

  6. Sign III: Pb(NO3)2 + KI Describe what happens http://answers.yahoo.com/question/index?qid=20081004132153AAO7oVv _____________________________________________________________________ Pb (NO3)2 + KI ___ + ___

  7. Sign III: Cu +AgNO3 Describe what happens http://answers.yahoo.com/question/index?qid=20061126233438AATU5lD http://www.bing.com/images/search?q=Cu+%2bAgNO3&view=detail&id=F381852F0C4151929124519F54B57A6CCBE50496&first=1&FORM=IDFRIR&qpvt=&adlt=strict ___________________________________________________________________________

  8. Sign IV: demo by teacher What is being produced? What is being given off?

  9. Pictures of flames that produce heat and light from lab.

  10. Now summarize what the four main signs are that a chemical reaction has taken place! Make sure you have filled out all blanks on your lab sheet & turn in your lab sheet for a grade!

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