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Anuta_ua [19.1K]
3 years ago
15

The sun has been up for several hours, and it has been shining on these trees. What can the trees do because they are in sunligh

t? What does this mean for the number of energy storage molecules in the trees?
The trees can . . .
a give off carbon to the air. Giving off carbon allows them to make energy
storage molecules.
b give off carbon to the air. Giving off carbon uses up energy storage
molecules.
c take in carbon from the air. The carbon is used to make energy storage
molecules.
d take in carbon from the air. The carbon is used to break down energy storage molecules.
© 2018 The Regents of the University of California. All rights reserved. Permission granted to photocopy for classroom use. 1

2. These goats are eating grass on a sunny day. What is happening to the carbon in the air around the living things on the mountain? Is carbon moving into the air, moving out of the air, or both?
a Carbon is only moving into the air; it is not moving out of the air. b Carbon is moving into the air and out of the air at the same time. c Carbon is not moving into the air; it is only moving out of the air. d With this information, there is no way to know for sure.
Chemistry
1 answer:
Nonamiya [84]3 years ago
8 0

Answer:

1. C. take in carbon from the air. The carbon is used to make energy storage

molecules.

2. b Carbon is moving into the air and out of the air at the same time

Explanation:

Question 1:

Trees are plants, which are autotrophic organisms i.e. set of organisms that are capable of producing their own food via a process called PHOTOSYNTHESIS. This photosynthetic process produces sugars (glucose) in the presence of SUNLIGHT. According to this question, the sun has been up for several hours, and has been shining on these trees. This means that the trees can take in carbo dioxide (CO2) in order to perform the process of photosynthesis. Also, the number of energy storage molecules in the trees (ATP) will INCREASE.

What can the trees do because they are in sunlight? What does this mean for the ?

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zhenek [66]

Answer:

The given equation obey the law of conservation of mass.

Explanation:

Chemical equation:

2LiOH + CO₂  →   Li₂CO₃ + H₂O

There are equal number of atoms of oxygen, hydrogen and lithium on both side of equation so it obey the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

2LiOH                +            CO₂         →         Li₂CO₃           +                    H₂O

2(6.941 + 16 + 1)  +          12+32                   6.941×2 + 12 + 3×16     +       18

47.882 + 44                                                  13.882 +12+48   +   18

91.882 g                                                                91.882 g

The mass of reactants and product are equal.

6 0
3 years ago
there are 1540 megawatts of wind-generated electricity produced globally every year. This amount is equivalent to how many kilow
Reptile [31]

1.54 x 10⁶kW

Explanation:

The problem here is converting from megawatts into kilowatts.

  Given 1540megawatts.

The mega- and kilo- watts are prefixes that denotes multiples of units.

  1 megawatt = 10⁶watts

  1 kilowatt = 10³watts

Now given 1540megawatts power to Kilowatt power;

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 1540mW x \frac{1000kW}{1mW} = 1.54 x 10⁶kW

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7 0
2 years ago
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Fofino [41]

In lower temperatures, the molecules of real gases tend to slow down enough that the attractive forces between the individual molecules are no longer negligible. In high pressures, the molecules are forced closer together- as opposed to the further distances between molecules at lower pressures. This closer the distance between the gas molecules, the more likely that attractive forces will develop between the molecules. As such, the ideal gas behavior occurs best in high temperatures and low pressures. (Answer to your question: C)  This is because  the attraction between molecules are assumed to be negligible in ideal gases, no interactions and transfer of energy between the molecules occur, and as temperature decreases and pressure increases, the more the gas will act like an real gas.

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