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REACTION RATES LAB

PURPOSE
- the purpose of this lab is to observe how different factors effect the rate of reaction in different reactions.
- refrences: handout- "factors that affect reaction rate"

DATA

STATION reaction/variable reaction time observations

1 Mg ribbon in HCL/ 3M HCL - 0:05 3M - reacted rapidly
concentration (M) 1M HCL - 1:46 1M - dissolved slowly

2 Alka-seltzer in water/ Hot water - 1:20 Hot- turned blue very fast and dissolved quickly
Cold - slowly reacted temperature (C°) Cold water - 3+ mins

3 metals in HCL/ Mg- 0:36 Mg- dissolved fast
type of metal Zn- 3+ min Zn- dissolved slowly
Cu- 3+ min Cu- no visible rxn

4 Marble in HCL/ marble chip: 3+ min Chip- slowly dissolved
surface area of solute powder- 2:26 sec Powder- quickly dissolved

5 Decomposition of N/A When MnO2 was added the H2O2 turned black and bubbled.
H2O2/ Catalyst (MnO2)......

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Approximate Pages: 2 (250 words per double-spaced page)

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