Which of the following is an input for cellular respiration? a. CO2 b. H2O c. sunlight d. O2 Please select the best answer from
2 answers:
Answer : The correct option is, (d)
Explanation :
Cellular respiration : It is a type of process in which the glucose molecule react with the oxygen to form a great amount of energy in the form of ATP and carbon dioxide and water as a byproducts.
The balanced equation for cellular respiration will be,
Food as a glucose and oxygen are the input for the cellular respiration.
Hence, the correct option is, (d)
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Answer :
(a) The moles of is, 1.5 moles.
(b) The number of oxygen atoms are,
(c) The mass of oxygen is, 72 grams.
Explanation : Given,
Mass of = 150 g
Molar mass of = 100 g/mole
Molar mass of oxygen = 16 g/mole
(a) First we have to calculate the moles of .
The moles of is, 1.5 moles.
(b) Now we have to calculate the number of oxygen atoms.
In , there are 1 atom of chromium and 3 atoms of oxygen.
According to the mole concept,
1 mole of contains
number of oxygen atoms.
So, 1.5 mole of contains
number of oxygen atoms.
The number of oxygen atoms are,
(c) Now we have to calculate the mass of oxygen.
As, 1 mole of contains 3 moles of oxygen
So, 1.5 mole of contains
moles of oxygen
The mass of oxygen is, 72 grams.