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Lena [83]
3 years ago
14

Two friends were discussing different renewable energy resources. They talked about the advantages and disadvantages of using bi

omass or wind energy. The friends could not agree on which would be the best choice for North Texas.
Friend 1: “Wind Energy is the best option for where we live.”

Friend 2: “I disagree, biomass makes more sense to use here.”

Which friend do you most agree with?

Explain why you agree with that friend. Use the advantages and disadvantages you learned about to justify your thinking.
Chemistry
1 answer:
dem82 [27]3 years ago
5 0

Answer:

A.

Explanation:

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Each of the following phrases matches one of the models below. Match the statement with its appropriate model.
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Not sure about any others but I believe 3 goes with B
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How many hydrogen atoms are there in the molecule H2SO?
sergiy2304 [10]

Answer:

D:2

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A watt of is a unit of power equivalent to 1 joule per second (1 J/sec). In other words, a 60 watt light bulb consumes 60 joules
Juli2301 [7.4K]

The time the chocolate bar could power the laptop in hours is 0.00233 hrs.

Since 200 Calories of chocolate bar were burned to power the 100 Watt laptop, we need to find the number of joules on energy in 200 calories of chocolate bar.

Knowing that 4.2 Joules = 1 Calorie, then

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Since the power required by the laptop is 100 W = 100 J/s and Power, P = energy/time

so, time = energy/power

So, the time for the laptop to use 840 J of energy from the chocolate bar at a rate or power of 100 W = 100 J/s is

time = 840 J ÷ 100 J/s = 8.4 s

So, the time in hours is 8.4 s ÷ 3600 s/1 h = 0.00233 hrs (since 1 hr = 3600 s)

So, the time the chocolate bar could power the laptop in hours is 0.00233 hrs.

Learn more about time to power here:

brainly.com/question/17732603

7 0
2 years ago
A student calculates the density of an unknown metal sample to be 8.25 g/cm3
romanna [79]

Answer:

the answer is b

Explanation:

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