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Dmitry_Shevchenko [17]
3 years ago
12

What are the 2 types of weathering?

Chemistry
1 answer:
xenn [34]3 years ago
7 0

The two main types of weathering are physical and chemical weathering

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4 years ago
Coal power plants burn large amounts of coal, C(s), in an 02(g) atmosphere to generate electricity. The chemical reaction respon
Stella [2.4K]

Answer:

1.85 × 10⁸ L

Explanation:

Coal power plants burn large amounts of coal, C(s), in an O₂(g) atmosphere to generate electricity. The chemical reaction responsible for producing this energy is shown below:

C(s) + O₂(g) → CO₂(g)

Determine the volume of CO₂ in liters produced when 100 metric ton of C(s) is completely burned in an O₂ atmosphere. The density of CO₂ is 1.98 kg/m³ (1 metric ton = 1000 kg: 1 m³ = 1000 L)

We can establish the following relations:

  • 1 metric ton = 1000 kg
  • 1 kg = 1000 g
  • The molar mass of C(s) is 12.01 g/mol
  • The molar ratio of C(s) to CO₂(g) is 1:1
  • The molar mass of CO₂(g)  is 44.01 g/mol
  • 1.98 kg of CO₂(g)  occupy a volume of 1 m³ (density = 1.98 kg/m³)
  • 1 m³ = 1000 L

The volume of CO₂ produced when 100 metric ton of C(s) react is:

100metric/tonC.\frac{10^{6}gC}{1metric/tonC} .\frac{1molC}{12.01gC} .\frac{1molCO_{2}}{1molC} .\frac{44.01 \times 10^{-3} kgCO_{2}}{1molCO_{2}} .\frac{1m^{3}CO_{2}}{1.98kgCO_{2}} .\frac{1000LCO_{2}}{1m^{3}CO_{2}} =1.85 \times 10^{8} LCO_{2}

3 0
3 years ago
What is the mass number of a carbon atom which has 7 neutrons?
Strike441 [17]

Answer:

Carbon-13

Explanation:

Carbon have three isotopes. Isotopes are the atoms of the same element which has a different number of neutrons. Carbon has 3 isotopes.

Carbon-12 : 6 electrons I 6 protons I 6 neutrons

Carbon-13 : 6 electrons I 6 protons I 7 neutrons

Carbon-14 : 6 electrons I 6 protons I 8 neutrons

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Answer:

<u>The advantages of nuclear energy:</u>

*produces low-cost energy

*it releases zero carbon emissions,

*there is a promising future for nuclear technology

*it has a high energy density

*it is reliable

hope this helps, have a great day! :D

6 0
3 years ago
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Chemical reactions constantly take place all around us—and even inside us. Many
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Answer:

I don't think you can go on without doing a reaction since you touch really anything so no you can not go without any chemical reaction I think this is the answer

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