Blast Off! Lab # 4 Purpose: To blueprint an experiment to test some(prenominal) variables that affect the build up of screw up in the closed canister. Hypothesis: I appreciate that we willing contribute to adjust the amount of wet to have the run of the answer. Materials: · Apron · Safety Goggles · 4 Alka-Seltzer Tablets · 2 tensile Film Containers (with lids) · Water · Stop Watch or timer · Graduated Cylinder Procedure: feel 1. empower on apron and Safety goggles. abuse 2. Get Alka-Seltzer tablets and formative motion picture container from teacher. Step 3. Measure x ml of distilled water with the graduated cylinder and pour it into the film container. Step 4. retch x grams of Alka-Seltzer into the film container and close lids quickly. Step 5. Wait for response and eternalise be at and amount of water and Alka-Seltzer on the notice chart. Step 6. Repeat this procedure until you pop out the specified time for the chemical reception. Step 7. When you have reached this point perform the experiment some(prenominal) much times with the same amount of everything to see if the reaction takes the same amount of time. Trial Number add together of Alka-Seltzer (g) Amount of Water (Ml) Time of Blast offÂ(Seconds) contiguous Step 1 1.
2 25 16 1 ml more water 2 1.2 26 15 none 3 1.2 27 13 ! 1 ml less water 4 1.2 26 15 None 5 1.2 26 15 None Conclusion: In conclusion the reaction was containled by the amount of water and likewise the amount of Alka-Seltzer involved together. Error Analysis: No adult male or observational errors made. Analysis Question: I would have tried to control the experiment more by attempt different methods such as temperatures and amount of Alka-Seltzer tablets.If you want to get a amply essay, order it on our website:
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