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4 years ago

What transfers the electrons generated during the light cycle to co2 during the calvin cycle?

Chemistry

1 answer:

natta225 [31]4 years ago

6 0

Answer:

The correct answer is NADPH.

Explanation:

It takes 6 molecules of CO2 to generate one molecule of glucose. Each of the CO2 molecules is attached to a RuBP-acceptor molecule, which is then divided into two 3-phosphoglycerate molecules.

The ATP produced during the light reactions of photosynthesis yields phosphate groups to these molecules, resulting in 1,3-diphosphoglycerate. Simultaneously, NADPH yields electrons to these three-carbon molecules, creating glyceraldehyde-3-phosphate molecules. Glyceraldehyde-3-phosphate is used to make the sugar from 6 glucose carbons. Another part of the glyceraldehyde-3-phosphate is used together with an ATP molecule, to generate the CO2 acceptor ribulose-1,5-bisphosphate and start the cycle again.

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COLLEGE CHEMISTRY 35 POINTS

Sati [7]

6.81% is the percent yield when 12 g of CO2 are formed experimentally from the reaction of 0.5 moles of C8H18 reacting with excess oxygen.

Explanation:

Data given:

mass of carbon dioxide formed = 12 grams (actual yield)

atomic mass of CO2 = 44.01 grams/mole

moles of $C_{8} H_{18}$ = 0.5

Balanced chemical reaction:

2 $C_{8} H_{18}$ + 25 $O_{2}$ ⇒ 16 C $O_{2}$ + 18 $H_{2} _O{}$

number of moles of carbon dioxide given is

number of moles = $\frac{mass}{atomic mass of 1 mole}$

number of moles= $\frac{12}{44}$

number of moles of carbon dioxide gas = 0.27 moles

from the reaction 2 moles of $C_{8} H_{18}$ reacts to produce 16 moles of C $O_{2}$

So, when 0.5 moles reacted it produces x moles

$\frac{16}{2}$ = $\frac{x}{0.5}$

x = 4

4 moles of carbon dioxide formed, mass from it will give theoretical yield.

mass = number of moles x molar mass

mass = 4 x 44.01

= 176.04 grams

percent yield = $\frac{actual yield}{theoretical yield}$ x 100

percent yield = $\frac{12}{176.04}$ x 100

percent yield = 6.81 %

8 0

3 years ago

What is the polution that is in our environment today?

Anna [14]

Carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide

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3 years ago

What type of succession takes place when a community starts to grow?

Law Incorporation [45]

Answer:

Primary

Explanation:

Succession is a series of progressive changes in the composition of an ecological community over time. In primary succession, newly exposed or newly formed rock is colonized by living things for the first time.

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3 years ago

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The behavior of light can be modeled as _______.

777dan777 [17]

Answer:

Explanation:

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4 years ago

How many nitrogen atoms are in (NH4)3N?

natali 33 [55]

There should be 76.3 if not search it up and it’ll say

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3 years ago