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kari74 [83]
3 years ago
15

Which of the following best demonstrates kinetic energy?

Chemistry
2 answers:
Viktor [21]3 years ago
4 0
It’s b bird in flight!
Novay_Z [31]3 years ago
3 0

Hey there!

Kinetic energy means that something is in motion.

Therefore, the answer would be B. Bird in flight because it’s the only choice that suggests is moving.

Hope this helps!

God bless ❤️

xXxGolferGirlxXx

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How does the chemistry of life relate to cellular respiration
storchak [24]

Answer:

¿Cuál es la reaccion quimica de la respiracion celular?

La respiración celular es una reacción exergónica, donde parte de la energía contenida en las moléculas de alimento es utilizada por la célula para sintetizar ATP. ... Aproximadamente el 40% de la energía libre emitida por la oxidación de la glucosa se conserva en forma de ATP.

Explanation:

3 0
3 years ago
Ecologists use food web diagrams, like the one shown, as tools in their studies of different populations of organisms within an
Mice21 [21]

Ecologists use food web diagrams as tools in their studies of different populations of organisms within an ecosystem because it shows the feeding relationship between organisms in the ecosystem.

<h3>What is a Food web?</h3>

This is defined as the graphical representation of the feeding relationship which occurs between organisms in the ecosystem and helps to predict the outcome in the addition or removal of a species.

The food web also helps to determine the various ways in which energy flows and it usually starts from the producers which are the plants as a result of their photosynthetic ability which involves the conversion of solar energy to chemical energy.

There are various organisms in the ecosystem and the food web helps to provide a better understanding of their feeding habits and impact various factors will result in.

Read more about Food web here brainly.com/question/4656320

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4 0
1 year ago
In the sodium-potassium pump, sodium ion release causes two K ions to be released into the cell. __________________ True False
Solnce55 [7]

Answer:

false

Explanation:

As we know that in sodium-potassium pump .          

sodium potassium move 3Na+ outside the cells          

and  moving 2k+ inside the cells                        

so that we can say that given statement is false    

Answer FALSE                                                      

6 0
3 years ago
Which of the following organisms is not considered a polinator
emmasim [6.3K]
A fish species that specializes in eating only a few aquatic plants species
8 0
3 years ago
A student was trying to determine the mole percent of A in a mixture of A and B using refractive index. If their mixture has a r
Elina [12.6K]

Explanation:

Formula to calculate refractive index of n is as follows.

     n = X_{A} \times n_{A} + X_{B} \times n_{B}

where,    X_{A} = mole fraction of A

              X_{B} = mole fraction of B

              n_{A} = refractive index of A

              n_{B} = refractive index of B

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

         n = X_{A} \times n_{A} + X_{B} \times n_{B}

         1.5248 = X_{A} \times 1.7058 + X_{B} \times 1.3658 ........ (1)

Also, it is known that X_{A} + X_{B} = 1

and,          X_{B} = 1 - X_{A} ......... (2)

Now, put equation (2) in equation (1) as follows.

        1.5248 = X_{A} \times 1.7058 + 1 - X_{A} \times 1.3658  

        1.5248 = X_{A} \times 1.7058 + 1.3658 - 1.3658X_{A}  

         X_{A} = 0.467

And, the value of  X_{B} is calculated as follows.

            X_{B} = 1 - X_{A}

                       = 1 - 0.467

                       = 0.533

Hence, mole percentage of A will be calculated as follows.

      Mole % of A = \frac{n_{A}}{n_{A} + n_{B}}      

                            = \frac{0.467}{0.467 + 0.533} \times 100

                            = 46.7%

Thus, we can conclude that the mole percent of A in their mixture is 46.7%.

8 0
3 years ago
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