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aalyn [17]
3 years ago
8

Using the curve which letter represents efficiency?

Chemistry
1 answer:
velikii [3]3 years ago
4 0

Answer:

point A , B and C

Explanation:

The efficient frontier is the set of optimal portfolios that offer the highest expected return for a defined level of risk or the lowest risk for a given level of expected return

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What might be the result of removing a top predator from a marine biome?
julsineya [31]

Answer:

A

Explanation:

Due to the fact that no one will eat the fish, their population starts growing.

4 0
2 years ago
How are weathering, erosion, and deposition similar
egoroff_w [7]

Answer:

Explanation:

they both break down the earth

6 0
3 years ago
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The properties of compounds are (what?) to the elements that make it up. *
Lana71 [14]

Answer:A compound is a unique substance that forms when two or more elements combine chemically. A compound always has the same elements in the same proportions. The properties of compounds may be very different from the properties of the elements that form them. Some compounds form rigid frameworks called crystals.

Explanation:

8 0
3 years ago
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In the balanced equation, 4KO2 + 2CO2 = 2K2CO3 + 3O2 which two chemicals have a molar ratio of 3:4?
Sveta_85 [38]

 4KO₂  + 2CO₂  →    2K₂CO₃  + 3 O₂

The two  chemicals  that  have a  molar ratio  of 3:4   is  in equation above O₂   and KO₂

<em><u>explanation</u></em>

The molar ratio  is the ratio  between  the amount in moles  of two  compounds  that are involved  in a chemical reaction.

In the  equation above the mole  ratio  is determined  by examining coefficient ( <em>number in front of the formula</em>)


the coefficient of O₂  is 3 while that of KO₂ is 4  therefore the  mole ratio of O₂:KO₂  is 3:4


3 0
3 years ago
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Which two factors must be considered when predicting whether two substances will dissolve in each other?
r-ruslan [8.4K]

The two factors must be considered when predicting whether two substances will dissolve in each other are type of bonds and size of the molecules are two factors.

<h3>What is solubility?</h3>

Solubility is the ability of solute particles to dissolve in any solvent, and solubility is directly proportional to the dissolving ability of the solute.

Solubility of any substance depends on the type of the bond present in the solute molecule i.e. polar or non polar. And it is also depends on the size of the solute as size defines the surface tenssion of the substance.

  • Number of bonds and shape of molecules are also define the solubility but not at that extent as their type and shape.

Hence type of bonds and size of the molecules are two factors.

To know more about dissolution, visit the below link:
brainly.com/question/26073928

6 0
2 years ago
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