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3 years ago

On an artificial reef in the Mediterranean Sea, the rocky bottom, the Dover sole, and the

1 answer:

7 0

Taking into account the animals and the landscape being mentioned, we can confirm that the combination of these forms part of an ecosystem.

An ecosystem is described as an area consisting of:

Plants
Animals
Bacteria
Weather
Landscape

and many other factors, which all work together to form a small pocket of life.

Ecosystems are described as containing both living and non-living elements, meaning biotic and non-biotic parts. A community or population, on the other hand, are used to consider only the biotic or living factors of an ecosystem. Therefore, since the question includes the rock bottom (a non-biotic factor) as a part of the makeup, the only correct grouping is that of an ecosystem.

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True or False: You can make a concentrated solution more dilute by adding solvent.

Vlad [161]

That statement is true because to make a diluted solution, you have to add more solvent than the solute in a concentrated solution. This is extra information, but to make a diluted solution more concentrated, you have to add more solute since a concentrated solution has an excess amount of solute as stated before.

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3 years ago

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If C and Cl combined to make a compound, would it be covalent or ionic?

arsen [322]

Answer:

it would be a covalent bond

Explanation:

carbon has 4 valence electrons, while chlorine has 7.

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3 years ago

100 POINTS ANSWER HURRY

prisoha [69]

C. Not all mixtures have solutes and solvents

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4 years ago

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I need help with electron affinity chemistry problem. I’m having a tough time.

ExtremeBDS [4]

Answer:

Br Be Ge

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Increases in electron affinity

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4 years ago

What is the maximum amount of CO2

Wittaler [7]

Answer:

10.6 g CO₂

Explanation:

You have not been given a limiting reagent. Therefore, to find the maximum amount of CO₂, you need to convert the masses of both reactants to CO₂. The smaller amount of CO₂ produced will be the accurate amount. This is because that amount is all the corresponding reactant can produce before it runs out.

To find the mass of CO₂, you need to (1) convert grams C₂H₂/O₂ to moles (via molar mass), then (2) convert moles C₂H₂/O₂ to moles CO₂ (via mole-to-mole ratio from reaction coefficients), and then (3) convert moles CO₂ to grams (via molar mass). *I had to guess the chemical reaction because the reaction coefficients are necessary in calculating the mass of CO₂.*

C₂H₂ + O₂ ----> 2 CO₂ + H₂

9.31 g C₂H₂ 1 mole 2 moles CO₂ 44.0095 g
------------------ x ------------------- x ---------------------- x ------------------- =
26.0373 g 1 mole C₂H₂ 1 mole

= 31.5 g CO₂

3.8 g O₂ 1 mole 2 moles CO₂ 44.0095 g
------------- x -------------------- x ---------------------- x -------------------- =
31.9988 g 1 mole O₂ 1 mole

= 10.6 g CO₂

10.6 g CO₂ is the maximum amount of CO₂ that can be produced. In other words, the entire 3.8 g O₂ will be used up in the reaction before all of the 9.31 g C₂H₂ will be used.

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2 years ago