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Snezhnost [94]
3 years ago
14

Unrestricted populations of organisms experience _____.

Chemistry
2 answers:
Alik [6]3 years ago
6 0

Answer:

1. A

2. D

Explanation:

1. If a population is left unrestricted, meaning it is not limited to anything, then the population will continue to increase exponentially due to there being no limits.

2. If a population is limited, and it has reached its <u>carrying capacity</u>, then the essential needs of life are being competed for. Things like food, shelter, and mates are now a limited resource, and hence the option would be "all of the above".

Fudgin [204]3 years ago
5 0
Unrestricted populations of organisms experience Exponential growth. 

As a population reaches is carrying capacity there is an increase in competition for All of the above.
 Hope I helped. 
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Elements in which the d-sublevel is being filled have the properties of metals

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Where is each conversion factor found?
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Explanation:  A conversion factor is a number used to change one set of units to another, by multiplying or dividing. When a conversion is necessary, the appropriate conversion factor to an equal value must be used. For example, to convert inches to feet, the appropriate conversion value is 12 inches equal 1 foot.

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Identify factors that affect the ratio when substances combine to form compounds
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The law of constant proportions affects the ratio when two or more substances combine to form a new substance. The law of constant proportion, also known as Proust's law or the law of definite composition, states that a chemical compound will always have its component elements in a fixed proportion, regardless of the pathway undertaken to prepare that substance.<span />
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include a detailed explanation of what is happening when the purple color is given off in terms of the electrons.
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2 years ago
Consider separate 100.0 gram samples of each of the following: H2O, N2O, C3H6O2, CO2 Determine which 100.0 gram sample will have
vampirchik [111]

Answer : The sample H_2O has greatest number of oxygen atoms.

The order of number of oxygen atoms from greatest to least will be:

H_2O>CO_2>C_3H_6O_2>N_2O

Explanation :

First we have to calculate the moles of H_2O,N_2O,C_3H_6O_2\text{ and }CO_2

\text{Moles of }H_2O=\frac{\text{Mass of }H_2O}{\text{Molar mass of }H_2O}

Molar mass of H_2O = 18 g/mol

\text{Moles of }H_2O=\frac{100.0g}{18g/mol}=5.55mol

and,

\text{Moles of }N_2O=\frac{\text{Mass of }N_2O}{\text{Molar mass of }N_2O}

Molar mass of N_2O = 44 g/mol

\text{Moles of }N_2O=\frac{100.0g}{44g/mol}=2.27mol

and,

\text{Moles of }C_3H_6O_2=\frac{\text{Mass of }C_3H_6O_2}{\text{Molar mass of }C_3H_6O_2}

Molar mass of C_3H_6O_2 = 74 g/mol

\text{Moles of }C_3H_6O_2=\frac{100.0g}{74g/mol}=1.35mol

and,

\text{Moles of }CO_2=\frac{\text{Mass of }CO_2}{\text{Molar mass of }CO_2}

Molar mass of CO_2 = 44 g/mol

\text{Moles of }CO_2=\frac{100.0g}{44g/mol}=2.27mol

Now we have to calculate the number of oxygen atoms in H_2O,N_2O,C_3H_6O_2\text{ and }CO_2

In H_2O :

As, 1 mole of H_2O contains 1\times 6.023\times 10^{23} number of oxygen atoms

So, 5.55 mole of H_2O contains 5.55\times 6.022\times 10^{23}=3.34\times 10^{24} number of oxygen atoms

In N_2O :

As, 1 mole of N_2O contains 1\times 6.023\times 10^{23} number of oxygen atoms

So, 2.27 mole of N_2O contains 2.27\times 6.022\times 10^{23}=1.37\times 10^{24} number of oxygen atoms

In C_3H_6O_2 :

As, 1 mole of C_3H_6O_2 contains 2\times 6.023\times 10^{23} number of oxygen atoms

So, 1.35 mole of C_3H_6O_2 contains 2\times 1.35\times 6.022\times 10^{23}=1.62\times 10^{24} number of oxygen atoms

In CO_2 :

As, 1 mole of CO_2 contains 2\times 6.023\times 10^{23} number of oxygen atoms

So, 2.27 mole of CO_2 contains 2\times 2.27\times 6.022\times 10^{23}=2.73\times 10^{24} number of oxygen atoms

The order of number of oxygen atoms from greatest to least will be:

H_2O>CO_2>C_3H_6O_2>N_2O

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3 years ago
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