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3 years ago

5

During cellular respiration, plants take in _ from the air and break down stored _.

1 answer:

Zepler [3.9K]3 years ago

7 0

Answer:

During cellular respiration, plants take in carbon dioxide from the air and break down stored glucose.

Explanation:

Before cellular respiration takes place in a plant, photosynthesis occurs and absorbs sunlight and carbon dioxide from the air. The process then produces oxygen and glucose, which are needed as the reactants for cellular respiration. Cellular respiration will break down the stored glucose to make energy to produce carbon dioxide and water. Then the cycle repeats itself.

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how many liters of a 60% antifreeze solution must be added to 8L of a 10% antifreeze solution to produce a 20% antifreeze soluti

Tasya [4]

Answer: 2Liters

Explanation:

The expression used will be :

$M_1V_1+M_2V_2=M_3V_3$

where,

$M_1$ = concentration of first antifreeze= 60%

$M_2$ = concentration of second antifreeze= 10%

$V_1$ = volume of first antifreeze = x L

$V_2$ = volume of second antifreeze = 8 L

$M_3$ = concentration of final antifreeze solution= 20%

$V_3$ = volume of final antifreeze = (x+8) L

Now put all the given values in the above law, we get the volume of antifreeze added

$60\times x+10\times 8=20\times (x+8)$

$x=2L$

Therefore, the volume of 60% antifreeze solution that must be added is 2L

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3 years ago

5.14 x 1023 ions NaCl to Moles

Alex787 [66]

Answer:

2 moles

Explanation:

For a mole NaCi, we have a mole of sodium ion and a mole of chloride.

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3 years ago

So2+o2 = so3 método de tanteo

gulaghasi [49]

Answer:

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Explanation:

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3 years ago

An ionic bond generally occurs between two nonmetal atoms.<br><br> TRUE<br><br> FALSE

BaLLatris [955]

False; an ionic bond generally occurs between a nonmetal and a metal; for example, NaCl.

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Among the following which are represent polyatomic molecule.A.H2 B.He C.N2 D.P4 which one

olga2289 [7]

Answer:

D

Explanation:

P4 is polyatomic molecule

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