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MAVERICK [17]
3 years ago
9

Over the last several decades, scientists have addressed the problem of nonrenewable natural resources such as fossil fuels. Hum

ans are using fossil fuels at a rapid rate and scientists believe that one day we will run out of them. To solve this problem, research has been conducted on alternative energy sources. One alternative energy source is nuclear energy. Although nuclear energy is a good solution to this problem, there are concerns.
All BUT ONE of these describe a concern about nuclear energy.
A) presence of radioactive waste
B) little if any carbon emissions released into the air
C) contamination risk when transporting radioactive materials
D) thermal pollution from water released into nearby environment
Chemistry
2 answers:
Varvara68 [4.7K]3 years ago
6 0

The answer is D

Hope this helped

saw5 [17]3 years ago
4 0

Answer:

If you only want to look at concerns then B would be the correct answer because that is a positive when using nuclear energy

Explanation:

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Mkey [24]

Answer:

c.

Explanation:

8 0
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Brut [27]

Answer:

I guess B They have a charge

7 0
2 years ago
If 3.289 x 10^23 atoms of potassium react with excess water, how many grams of hydrogen gas would be produced?
GarryVolchara [31]

Answer:

The amount in grams of hydrogen gas produced is 0.551 grams

Explanation:

The parameters given are;

Number of atoms of potassium, aₙ = 3.289 × 10²³ atoms

Chemical equation for the reaction is given as follows;

2K + 2H₂O \rightarrow KOH + H₂

Avogadro's number, N_A, regarding the number of molecules or atom per mole is given s follows;

N_A = 6.02 × 10²³ atoms/mole

Therefore;

The number of moles of potassium present = 3.289 × 10²³/(6.02 × 10²³) = 0.546 moles

2 moles of potassium produces one mole of hydrogen gas, therefore;

1 moles of potassium produces 1/2 mole of hydrogen gas, and 0.546 moles of potassium will produce 0.546/2 moles of hydrogen which is 0.273 moles of hydrogen gas

The molar mass of hydrogen gas = 2.016 grams

Therefore, 0.273 moles will have a mass of 0.273×2.016 = 0.551 grams.

The amount in grams of hydrogen gas produced = 0.551 grams.

8 0
3 years ago
What is the significance of the Roman Numeral when naming binary ionic compounds?
serious [3.7K]

Answer:

Roman numbers are oxidation state of the metals

Because some elements of metals show more than one oxidation state like iron Fe2+ in ferrous and Fe3+ in ferric.

Explanation:

8 0
2 years ago
A jogger with a mass of 60 kg is moving at 2 m/s. What is the jogger's kinetic energy?
ziro4ka [17]

Answer:

Ke = mgv

Explanation:

(60)(9.81)(2) =1177.2 joules persecond or Watts.

1.177 kilowatts

6 0
3 years ago
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