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Butoxors [25]
4 years ago
13

What is one way an erupting volcano could have a global effect on ecosystems

Chemistry
1 answer:
kaheart [24]4 years ago
5 0

When volcanoes erupt, they emit a mixture of gases and particles into the air. Some of them, such as ash and sulphur dioxide, have a cooling effect, because they (or the substances they cause) reflect sunlight away from the earth. Others, such as CO2, cause warming by adding to the the greenhouse effect.

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Nookie1986 [14]

Answer: any answer choices

Explanation:

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What are the 5 functions of the skelatal system
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classify the following compounds as ionic (metal + nonmetal) , covalent (nonmetal + nonmetal) or both (compound containing a pol
musickatia [10]

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3. covalent

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A compound has the following percentages by mass: barium, 58.8%; sulfur, 13.74%; oxygen, 27.43%. Determine the empirical formula
lys-0071 [83]

Answer:

BaSO₄

Explanation:

Let's assume we have 100 g of the compound. If that's the case we would have:

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  • 13.74 g of S
  • 27.43 g of O

Now we <u>convert the masses of each element into moles</u>, using their <em>respective molar masses</em>:

  • 58.8 g Ba ÷ 137.327 g/mol = 0.428 mol Ba
  • 13.74 g S ÷ 32 g/mol = 0.429 mol S
  • 27.43 g O ÷ 16 g/mol = 1.71 mol O

We <u>divide those moles by the lowest number among them</u>:

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  • 0.429 mol S / 0.428 ≈ 1
  • 1.71 mol O / 0.428 = 4

We can express those results as Ba₁S₁O₄, meaning the empirical formula is thus BaSO₄.

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