Activity 2Objective: Describe what happens to substances that undergo a chemical change.Materials: used paper match used styrofoam plate or cups baking powder Vinegar liquid milk pure calamansi juiceProcedure:A. Burning a piece of paperYou need a piece of paper. Put it over the flame. Compare the color before and after burning.B. Styrofoam and calamansi juiceDrop pure calamansi juice into a Styrofoam plate or cups. Then observe what happensto Styrofoam.C. Baking powder and vinegarPut one tablespoon of baking powder in a dry small bottle. Add water and observe what happens.D. Milk and vinegar Put 3 tablespoon of vinegar in a glass bottle then add liquid milk drop by drop. If the liquid milk is not available prepare from powdered milk to water. Then observe what happens.E. Complete the table below. In the observation column, describe the materials before the reaction and the results after the change. Then give the evidences of chemical change in the last column.Data table Chemical SystemObservationEvidences of Chemical ChangeBefore the changeAfter the changeA. Burning a piece of paperB. Styrofoam and calamansi juiceC. Baking powder and vinegarD. Milk and vinegar Activity 2Chemical ChangesObjective: Describe what happens to substances that undergo a chemical change.Materials:used papermatchused styrofoam plate or cupsbaking powderVinegarliquid milkpure calamansi juiceProcedure:A. Burning a piece of paperYou need a piece of paper. Put it over the flame. Compare the color before and afterburning.B. Styrofoam and calamansi juiceDrop pure calamansi juice into a Styrofoam plate or cups. Then observe what happensto Styrofoam.C. Baking powder and vinegarPut one tablespoon of baking powder in a dry small bottle. Add water and observewhat happens.D. Milk and vinegarPut 3 tablespoon of vinegar in a glass bottle then add liquid milk drop by drop.If the liquid milk is not available prepare from powdered milk to water. Then observewhat happens.E. Complete the table below. In the observation column, describe the materialsbefore the reaction and the results after the change. Then give the evidences ofchemical change in the last column.Data tableObservationEvidences ofChemicalChemical SystemBefore theAfter the changechangeChangeA. Burning apiece of paperB. Styrofoam andcalamansijuiceC. Bakingpowder andvinegarD. Milk andvinegar

Changes changes are those which are characterized by the formation of a new product or decomposition…

Answered: Data table Evidences of Chemical…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Activity 2Objective: Describe what happens to substances that undergo a chemical change. Materials: used paper match used styrofoam plate or cups baking powder Vinegar liquid milk pure calamansi juice Procedure: A. Burning a piece of paper You need a piece of paper. Put it over the flame. Compare the color before and after burning. B. Styrofoam and calamansi juice Drop pure calamansi juice into a Styrofoam plate or cups. Then observe what happens to Styrofoam. C. Baking powder and vinegar Put one tablespoon of baking powder in a dry small bottle. Add water and observe what happens. D. Milk and vinegar Put 3 tablespoon of vinegar in a glass bottle then add liquid milk drop by drop. If the liquid milk is not available prepare from powdered milk to water. Then observe what happens. E. Complete the table below. In the observation column, describe the materials before the reaction and the results after the change. Then give the evidences of chemical change in the last column. Data table Chemical System Observation Evidences of Chemical Change Before the change After the change A. Burning a piece of paper B. Styrofoam and calamansi juice C. Baking powder and vinegar D. Milk and vinegar