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REY [17]
3 years ago
5

Methane is approximately 23 times more powerful than carbon dioxide as a greenhouse gas. Which are significant sources of methan

e emissions
Chemistry
1 answer:
ratelena [41]3 years ago
5 0

Answer:

anthropogenic sources like landfills, agricultural activities,coal mining and combustion and some sources are natural ones

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arlik [135]
NO2 is a covalent compound
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4 years ago
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What does conserving mass mean in a chemical equation?
expeople1 [14]
The correct answer should be letter choice C) There is an equal number of each type of atom on the reactant and product side. Its C) because if its trying to conserve mass, than that means save or be equally balanced so it should be even for both sides.


7 0
4 years ago
What is the wavelength of electromagnetic radiation with a frequency of 9.23 × 10^-7 Hz?
stich3 [128]

3.25 x 10¹⁴m

Explanation:

Given parameters:

Frequency of the radiation = 9.23 x 10⁻⁷hz

Unknown:

Wavelength of the radiation = ?

Solution:

The velocity of electromagnetic radiation is the same as that of the speed of light in vacuums.

  Velocity = frequency x wavelength.

 Velocity = 3  x 10⁸m/s

Since the unknown is wavelength, we factor it out:

    Wavelength = \frac{Velocity }{frequency}

    Wavelength = \frac{x}{y}\frac{ 3 x 10^{8} }{9.23 x 10^{-7} }

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learn more:

Wavelength brainly.com/question/6352445

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4 0
3 years ago
The reaction of iron (III) oxide with carbon monoxide produces iron and carbon dioxide.
True [87]

Answer:

21g

Explanation:

no.ofmol fe2o3=39.5/(56×2+16×3)=0.25mol

from equation 1mole fe2o3 react with 3mole co

so,0.25mol fe2o3 react with 0.75mol co

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8 0
3 years ago
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What happens to the particles of substances when a chemical change occurs.
vichka [17]
They change into another substance.
4 0
3 years ago
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