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Temka [501]
3 years ago
9

One g of U-235 produces approximately how much more energy than 1 g of coal? (a) 3,000 times, (b) 19,000 times, (c) 80,000 times

,(d) 400,000 times, (e) 2,000,000 times.
Chemistry
1 answer:
Artist 52 [7]3 years ago
3 0

2,000,000 times

Explanation:

One gram of U-235 produces approximately 2,000,000 times more energy than one gram of coal.

The energy in 1g of U-235 is a nuclear energy whereas energy obtained from coal is chemical energy by combustion. During combustion chemical bonds are broken between the carbon atoms.

  • Uranium decays the radioactive fission.
  • When it is bombarded with particles, an artificial disintegration is induced.
  • Most nuclear reactions are chain reactions in which one step leads to another until stability is produced.
  • Each step produces energy for the next process.

Learn more:

Non-renewable resource brainly.com/question/2948717

#learnwithBrainly

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Thermal energy added to a substance that is not changing state causes the substance’s temperature to
tatyana61 [14]

Answer:

increase

Explanation:

Conduction involves the transfer of electric charge or thermal energy due to the movement of particles. When the conduction relates to electric charge, it is known as electrical conduction while when it relates to thermal energy, it is known as heat conduction. Conductors include metal, steel, aluminum, copper, frying pan, pot, spoon etc.

In the process of heat conduction, thermal energy is usually transferred from fast moving particles to slow moving particles during the collision of these particles. Also, thermal energy is typically transferred between objects that has different degrees of temperature and materials (particles) that are directly in contact with each other but differ in their ability to accept or give up electrons.

Hence, thermal energy added to a substance that is not changing state causes the substance’s temperature to increase because it would absorb energy in the form of heat.

6 0
2 years ago
Coal is transported from mine to plant via “unit trains” that usually consist of 100 cars each carrying 100 tons of coal. If one
abruzzese [7]
I think it’s mass number 12
3 0
3 years ago
54578 meters per second into miles per hour
xxMikexx [17]

Answer:

54578 mps - 122087.51 mph

Explanation:

3 0
2 years ago
If 12.1 kilograms of al2o3(s), 60.4 kilograms of naoh(l), and 60.4 kilograms of hf(g) react completely, how many kilograms of cr
Fynjy0 [20]
Answer is: 7,826 kg of cryolite.
Chemical reaction: Al₂O₃ + 6NaOH + 12HF → 2Na₃AlF₆ + 9H₂<span>O.
m(</span>Al₂O₃) = 12,1 kg = 12100 g.
n(Al₂O₃) = m(Al₂O₃) ÷ M(Al₂O₃).
n(Al₂O₃) = 12100 g ÷ 101,96 g/mol = 111,86 mol; limiting reactant.
m(NaOH) = 60,4 kg = 60400 g.
n(NaOH) = 60400 g ÷ 40 g/mol.
n(NaOH) = 1510 mol.
m(HF) = 60,4 kg = 60400 g.
n(HF) = 60400 g ÷ 20 g/mol = 3020 mol.
From chemical reaction: n(Al₂O₃) : n(Na₃AlF₆) = 6 : 2.
n(Na₃AlF₆) = 2 ·111,86 mol ÷ 6 = 37,28 mol.
m(Na₃AlF₆) = 37,28 mol · 209,94 g/mol.
m(Na₃AlF₆) = 7826,56 g = 7,826 kg.
7 0
3 years ago
What ion is at a higher concentration in the extracellular fluid than in the intracellular fluid?
Phoenix [80]
There are two types of fluid in the body extracellular fluid and intracellular fluid (ECF and ICF), together they are account for total body water.
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8 0
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