Chemistry, 25.02.2021 18:30, kx85DirtbikeRider
Each year, due to growing population and energy demands, the United States faces increasing dependency on conventional fossil fuels. However, in the past few decades renewable energy has begun to expand in both residential and commercial sectors of the United States.
a)
i. The U. S. uses roughly 4.0 million Gigawatt-hours per year in electricity. Currently 50% of our electricity comes from coal. If every 1.0 kilowatt-hour of coal burned releases 2 lbs. of carbon dioxide, how much carbon dioxide is released from burning coal for electricity each year in the US?
ii. What will be the reduction of carbon dioxide entering the atmosphere each year if coal usage could be reduced by 15% by utilizing solar energy?
iii. List and discuss TWO advantages to using wind energy to generate electricity.
b) Identify and describe a type of passive OR active solar heating method.
c) Give one advantage and one disadvantage to the method you described above in question b).
Answers: 2
Chemistry, 21.06.2019 22:30, kkruvc
Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape
Answers: 1
Chemistry, 22.06.2019 13:30, amandajbrewerdavis
Table sugar completely dissolved in water is an example of a?
Answers: 1
Each year, due to growing population and energy demands, the United States faces increasing dependen...
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