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2 years ago

The primary function of a chloroplast is to -

Chemistry

1 answer:

True [87]2 years ago

4 0

The answer is

H. Convert radiant energy into chemical energy through photosynthesis

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A mixture of gases with a pressure of 800.0 mm hg contains 60% nitrogen and 40% oxygen by volume. what is the partial pressure o

klasskru [66]

Hello!

We have the following statement data:

Data:
$P_{Total} = 800 mmHg$
$P\% N_{2} = 60\%$
$P\% O_{2} = 40\%$
$P_{partial} = ? (mmHg)$

As the percentage is the mole fraction multiplied by 100:

 $P = X_{ O_{2} }*100$

The mole fraction will be the percentage divided by 100, thus:
What is the partial pressure of oxygen in this mixture?

$X_{ O_{2} } = \frac{P}{100}$
$X_{ O_{2}} = \frac{40}{100}$
$\boxed{X_{ O_{2}} = 0.4}$

To calculate the partial pressure of the oxygen gas, it is enough to use the formula that involves the pressures (total and partial) and the fraction in quantity of matter:

In relation to $O_{2}$ :

$\frac{P O_{2} }{P_{total}} = X_O_{2}$
$\frac{P O_{2} }{800} = 0.4$
$P_O_{2} = 0.4*800$
$\boxed{\boxed{P_O_{2} = 320\:mmHg}}\end{array}}\qquad\quad\checkmark$

Answer:
b. 320.0 mm hg

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3 years ago

A patient can't move his legs after a motorcycle accident. The doctor suspects nerve damage. What part of the peripheral nervous

Nutka1998 [239]

Motor neuron! it included volentoury movement.

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3 years ago

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When reptiles and fish young are they look like __ similar to their parents? Please hurry!!

WARRIOR [948]

Fishes yes according to the age, reptiles yes

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3 years ago

I. Witch direction does the electric field point at a position directly west of a positive charge

RUDIKE [14]

Answer:

The answer is North

Explanation:

The direction of the field is taken to be the direction of the force it would exert on a positive test charge.

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2 years ago

He orbital period of an object is 2 × 107 s and its total radius is 4 × 1010 m

gtnhenbr [62]

Answer:

The answer is 12,560

Explanation:

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2 years ago

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