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user100 [1]
3 years ago
11

What do you think would happen to the organisms in a food chain if the Sun stopped shining? Explain your answer in 3-5 sentences

.
Chemistry
1 answer:
Verizon [17]3 years ago
8 0
<span>All the organisms would reduce in their population. The sun is the source of the <span>energy that goes up a food chain. This energy is converted to biomass by primary producers through photosynthesis. Through interactions such as predation, this energy goes up the food chain from the primary, secondary and tertiary  consumers. Therefore, if the sun stopped shining, there would be no energy for the food chain.</span></span>




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A 1.0 mole sample of fluorine gas at 25 °C has an average molecular velocity of 415 m/s. What is the total KE of the gas sample?
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The total kinetic energy of the gas sample is 3.3 KJ

<h3>What is kinetic energy? </h3>

This is the energy possessed by an object in motion. Mathematically, it can be expressed as:

KE = ½mv²

Where

  • KE is the kinetic energy
  • m is the mass
  • v is the velocity

<h3>How to determine the mass of the fluorine gas</h3>
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  • Mole of fluorine gas = 1 mole
  • Mass of fluorine gas = ?

Mass = mole × molar mass

Mass of fluorine gas = 1 × 38

Mass of fluorine gas = 38 g

<h3>How to determine the KE of the gas sample</h3>
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KE = ½mv²

KE = ½ × 0.038 × 415²

KE = 3272.275 J

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KE = 3272.275 / 1000

KE = 3.3 KJ

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