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3 years ago

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Energy enters most ecosystems as sunlight. Within an ecosystem, energy is transformed, used, and exits the ecosystem as heat. Dr

ag the terms to complete this concept map about energy and trophic levels.

1 answer:

postnew [5]3 years ago

4 0

Could you put the terms ???

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A high fever causes an enzyme to lose its three dimensional structure and function. Which bonds are broken when a protein denatu

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Hydrogen is the answer I’m pretty sure

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3 years ago

How did the cell membrane acts as a soild and a liquid and show flexibility?

Elodia [21]

Answer: "The cell membrane is not a solid structure. It is made of millions of smaller molecules that create a flexible and porous container."

Explanation: Was their answers to pick from if so i could help give the exact answer

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3 years ago

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In dna methylation, which nitrogenous base is most frequently methylated?

Aloiza [94]

In DNA methylation, the most frequently methylated nitrogenous base is the cytosine. Its methylation is widespread in prokaryotes and eukaryotes. Its rate of DNA methylation differs greatly between different species like Arabidopsis thaliana which is 8%, Physarum, 4%, Mus musculus, 2.3%, and etc.

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3 years ago

If you take an object to a different planet how do you predict it might affect its mass?

ladessa [460]

Answer:

Mass doesn't change no matter where you are or where you go.

Explanation:

Mass is what you or an object consist of. You cant change mass

3 0

3 years ago

How much 3M NaOH (MW=40) can be made from 10.0mL of a 10M solution?

vaieri [72.5K]

Explanation:

The given data is as follows.

$M_{1}$ = 3 M, $V_{1}$ = ?

$M_{2}$ = 10 M, $V_{2}$ = 10.0 ml

Therefore, calculate the volume of given solution as follows.

$M_{1} \times V_{1}$ = $M_{2} \times V_{2}$

Now, putting the given values into the above formula as follows.

$M_{1} \times V_{1}$ = $M_{2} \times V_{2}$

$3 M \times V_{1}$ = $10 M \times 10.0 ml$

$V_{1}$ = 33.3 ml

or, = 0.033 L (as 1 ml = 0.001 L)

Since, molarity of NaOH is given as 3 M and its volume is calculated as 33.3 ml.

Molarity = $\frac{\text{mass of solute}}{\text{molar mass of solute}} \times \frac{1}{\text{volume in L}}$

3 M = $\frac{mass}{40 g/mol \times 0.033 L}$

mass = 3.96 g

Therefore, we can conclude that mass of NaOH is 3.96 g.

8 0

3 years ago