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Zepler [3.9K]
2 years ago
13

Who was one of the first scientists to realize the effects of CO2 in the atmosphere?

Chemistry
1 answer:
guapka [62]2 years ago
5 0

Answer:

<u>Who: </u>Svante Arrhenius.

When: Claimed in 1896 that fossil fuels has a negative effect on our atmosphere.

<u>How:</u> Svante Arrhenius proved that fossil fuels had a negative effect by calculating the output of buildings that emit fossil fuels, and lead to the conclusion by his calculations that the industry might one day bring global warming. Svante Arrhenius' theory of electrolytic dissociation and his model of the greenhouse effect also helped him to prove that his remarks about fossil fuels and global warming is true.

<u>Where:</u>

I cannot find any source that mentions the where. What do you mean by where?

I hope my other information help you. I apologies to only be able to answer partially.

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A mixture of hydrogen and argon gases is maintained in a 6.47 L flask at a pressure of 3.43 atm and a temperature of 85 °C. If t
11Alexandr11 [23.1K]

Answer:

The mixture contains 8.23 g of Ar

Explanation:

Let's solve this with the Ideal Gases Law

Total pressure of a mixture = (Total moles . R . T) / V

We convert T° from °C to K → 85°C + 273 = 358K

3.43 atm = (Moles . 0.082 L.atm/mol.K . 358K) / 6.47L

(3.43 atm . 6.47L) / (0.082 L.atm/mol.K . 358K) = Moles

0.756= Total moles from the mixture

Moles of Ar + Moles of H₂ = 0.756 moles

Moles of Ar + 1.10 g / 2g/mol = 0.756 moles

Moles of Ar = 0.756 moles - 0.55 moles H₂ → 0.206

We convert the moles to g → 0.206 mol . 39.95 g / 1 mol = 8.23 g

8 0
2 years ago
Read 2 more answers
The electrolysis of molten NaCl is an industrial process. What does the electrolysis produce?
saveliy_v [14]

Answer:

it is D

Explanation:

NaOH and chlorine gas

Electrolysis of Aqueous NaCl Since water can be both oxidized and reduced, it competes with the dissolved Na+ and Cl– ions. Rather than producing sodium, hydrogen is produced. ... The net process is the electrolysis of an aqueous solution of NaCl into industrially useful products sodium hydroxide (NaOH) and chlorine gas.

3 0
3 years ago
One difference between mixtures and pure substances is that
defon

Answer:

The mixture is made up of different atoms and pure substance is made up of same type of atom.

The main difference is that mixture can be separated into its component by physical mean while pure substances can not be separated by physical process

Explanation:

Mixture:

  • The properties of the mixture are not same and contains the properties of all those component present in it.
  • it is a combination of one or more Pure substances and can be separated by simple physical methods.
  • it have varying boiling and melting point

Examples are:

  • mixture of salt and sand
  • Salt water is mixture of water and NaCl and can be separated by physical mean.
  • Alloys: its a mixture of different metal
  • Air: mixture of gases

Pure Substance:

Pure substances are those made of same type of atoms all elements and compounds are pure substances.

  • it can not be separated by simple physical mean
  • it have very constant and consistent melting and boiling point

Examples are:

  • Water : contain only water molecule
  • All elements: all elements are pure substance made of same atoms
  • All compounds: can not be separated by physical mean.

8 0
3 years ago
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When magnesium (mg) metal is placed in hydrochloric acid (hcl), it forms magnesium chloride (mgcl2) and a gas. what gas is forme
Delvig [45]
Magnesium in hydrochloric acid forms H2 (hydrogen) gas according to the balanced chemical equation:
Mg + 2HCl→H2 + MgCl2
6 0
2 years ago
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In the sixteenth century, the geocentric theory was a daim with substantial evidence. Which of the following best describes why
Ronch [10]

Answer:

The heliocentric theory was better supported by data explaining the rotation of the planets and other bodies in the solar system.

Explanation:

3 0
2 years ago
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