Sci 207 Week 4 Lab Report

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Lab 4 – Energy Sources and Alternative Energy Experiment 1: The Effects of Coal Mining |Table 1: pH of Water Samples | |Water Sample |Initial pH |Final pH (24-48 hours) | |Pyrite |6 |6 | |Activated Carbon |6 |7 | |Water |6 |6 | POST LAB QUESTIONS Develop hypotheses predicting the effect of pyrite and coal on the acidity of water? Pyrite hypothesis = I would guess ph would be lower. Coal hypothesis = I would guess ph would be higher. Based on the results of your experiment, would you reject or accept each hypothesis that you produced in question 1? Explain how you determined this. Pyrite hypothesis accept/reject = I would reject as there was no change. Coal hypothesis accept/reject = I would accept as ph was indeed higher Based on your data, what effect do you predict coal mining has on the environment? Answer = I would say coal mining increases acidity in the environment. What can be done to prevent mine drainage from damaging the ecosystem? Utilize at least one scholarly resource to support your suggestions. Answer = One must keep the acid drainage from entering the water table table. The Eastern US has a solid plan in effect for this. “Recommendations have focused on segregating and placing

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