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Posted: June 15th, 2022
Ashford University SCI 207 — 207 – Lab 4 â Energy Sources and Alternative Energy
Lab 4 â Energy Sources and Alternative Energy
Experiment 1: The Results of Coal Mining
Desk 1:
pH of Water Samples
Water
Pattern
Preliminary
pH
Closing pH
(after 48 hours)
Pyrite
5 pH
Activated
Carbon
5 pH
Water
5 pH
POST LAB QUESTIONS
1.
Develop
hypotheses predicting the impact of pyrite and coal (activated carbon) on the
acidity of water?
a.
Pyrite speculation =
b.
Coal (activated carbon)
speculation =
2.
Based mostly
on the outcomes of your experiment, would you reject or settle for every speculation
that you just produced in Question Assignment 1? Clarify
the way you decided this.
a.
Pyrite speculation
settle for/reject =
b.
Coal (activated carbon)
speculation settle for/reject =
three.
Based mostly
in your information, what impact do you expect coal mining has on the surroundings?
Reply =
4.
What
might be executed to stop mine drainage from damaging the ecosystem? Make the most of at the very least one scholarly useful resource to
help your strategies.
Reply =
Experiment 2: Photo voltaic Energy
Desk 2: Photo voltaic
Energy Experiment Outcomes
Environmental
Descriptor/Variable
Observations
(Every ought to
be in contrast in opposition to direct daylight)
Climate
of the Day
Motor
pace in direct daylight
Motor
pace at 45 diploma angle
Motor
pace underneath reflectors
Motor
pace with 25% shaded
Motor
pace with 50% shaded
Motor
pace with 75% shaded
Motor
pace underneath crimson filtration
Motor
pace underneath blue filtration
Motor
pace underneath inexperienced filtration
Motor
pace underneath yellow filtration
Submit-Lab Questions
1.
Develop
hypotheses predicting the effectivity of photo voltaic vitality from direct daylight
in opposition to the 4 variables examined?
Direct vs
oblique speculation =
Direct vs
mirrored speculation =
Direct vs shaded
speculation =
Direct vs
filtered speculation =
2.
Based mostly
on the outcomes of your experiment, would you reject or settle for every speculation
that you just produced in Question Assignment 1? Clarify
the way you decided this.
Direct
vs oblique settle for/reject =
Direct
vs mirrored settle for/reject =
Direct
vs shaded settle for/reject =
Direct
vs filtered settle for/reject =
three.
Does
elevated publicity to the sunâs gentle produce extra present? Clarify the way you
know this primarily based in your information.
Reply =
4.
How
may you enhance the electrical energy generated by a photo voltaic cell in the course of the day,
when the sunâs angle is consistently altering?
Reply =
5.
Based mostly
in your information, may including filters to photo voltaic panels enhance the photo voltaic vitality
produced? Clarify how you understand
this.
Reply =
References
Any sources
utilized needs to be listed right here.
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