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galina1969 [7]
3 years ago
13

Explain the difference between the biotic and abiotic factors in an ecosystem

Chemistry
1 answer:
Rom4ik [11]3 years ago
3 0

Answer:

abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem

Explanation:

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What is the concentration of the base (NaOH) in this titration?
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The answer is B for fact

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How many of the following statements about silver acetate, AgCH3COO, are true? i) More AgCH3CoO(S) will dissolve if the pH of th
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Answer:

All three statements are true

Explanation:

Solubility equilibrium of silver acetate:

AgCH_{3}COO\rightleftharpoons Ag^{+}+CH_{3}COO^{-}

  • If pH is increased then concentration of H^{+} increases in solution resulting removal of CH_{3}COO^{-} by forming CH_{3}COOH. Hence, according to Le-chatelier principle, equilibrium will shift towards right. So more AgCH_{3}COO will dissolve
  • If AgNO_{3} is added then concentration of Ag^{+} increases in solution resulting shifting of equilibrium towards left in accordance with Le-chatelier principle. So less AgCH_{3}COO will dissolve
  • Insoluble precipitate of AgOH is formed by adding NaOH in solution resulting removal of Ag^{+}. So, more AgCH_{3}COO will dissolve

Hence all three statements are true

8 0
3 years ago
Which material is most likely to be a base?
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Answer:

Cooffee

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<em>the answer is coffee because coffee might be bitter</em>

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Write the name of the main gases in the air​
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Nitrogen

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Explanation:

N₂ accounts for 78% of the atmosphere.

O₂ accounts for 21% of the atmosphere.

Ar accounts for 0.9% of the atmosphere.

CO₂, CH₄, and O₃ only take up 0.1% of the atmosphere.

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Ni (s) + O2 (g) → NiO (s)
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2NiS + 3O2 = 2NiO + 2SO2

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