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ryzh [129]
3 years ago
13

Which energy source can we can find waste everywhere and shouldn’t run out?

Chemistry
2 answers:
olya-2409 [2.1K]3 years ago
7 0

Answer:

wind

Explanation:

hope this helps

WARRIOR [948]3 years ago
6 0
The answer would be wind
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Explanation:

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Which statement accurately describes the molecule Br2?
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The mechanism for producing a concentrated urine involves all of the following except
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Answer:

The correct answer is "obligatory water reabsorption in the proximal convoluted tubule".

Explanation:

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Have a nice day!

4 0
3 years ago
In a science lab, a student heats up a chemical from 10 °C to 25 °C which requires thermal energy of 30000 J. If mass of the obj
olganol [36]

Answer:

The specific heat capacity of the object is 50 J/g°C ( option 4 is correct)

Explanation:

Step 1: Data given

Initial temperature = 10.0 °C

Final temperature = 25.0 °C

Energy required = 30000 J

Mass of the object = 40.0 grams

Step 2: Calculate the specific heat capacity of the object

Q = m* c * ΔT

⇒With Q = the heat required = 30000 J

⇒with m = the mass of the object = 40.0 grams

⇒with c = the specific heat capacity of the object = TO BE DETERMINED

⇒with ΔT = The change in temperature = T2 - T2 = 25.0 °C - 10.0°C = 15.0 °C

30000 J = 40.0 g * c * 15.0 °C

c = 30000 J / (40.0 g * 15.0 °C)

c = 50 J/g°C

The specific heat capacity of the object is 50 J/g°C ( option 4 is correct)

3 0
3 years ago
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