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alexira [117]
3 years ago
8

What organelle or organelles store food or pigments

Chemistry
1 answer:
Effectus [21]3 years ago
6 0
A.chlorophyll plastid,ribosome,rough endoplasmic reticulum. B.green pigment that absorbs light for photosynthesis, a plant cell structure that stores food of contain pigments, the construction site for protein s ribosomes can be found in the surface of this organelle.
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5. A filled balloon has a volume of 5.6 L at 25 ˚C and it is placed into liquid nitrogen at a temperature of -78 ˚C. What is the
Yuri [45]
The answer -103, hope this helps
6 0
3 years ago
20 N force moving a box to 30 meters distance. How much work id done? if it takes 10 sec to do this work, how much power is used
dalvyx [7]

Answer:

Work done = 600 J

Power used = 60 W

Explanation:

Given:

Force acting on the box is, F=20\ N

Displacement of the box is, S=30\ m

Time taken for the work, t=10\ s

Now, we know that, work is said to be done by a force only when there is displacement caused by the force in its direction.

Here, the force acting on the box causes a displacement of 30 m in its direction. So, work done is equal to the product of force and displacement caused.

Therefore, work done on the box is given as:

Work=Force\times Displacement\\Work=F\times S\\Work=(20\ N)\times (30\ m)\\Work=600\ J

Therefore, the work done is 600 J.

Now, we know that, power is given as work done per unit time.

So, power used is given as:

Power=\frac{Work}{Time}\\\\Power=\frac{600\ J}{10\ s}\\\\Power=60\ W

Therefore, the power used is 60 W.

5 0
3 years ago
HELPP!!
ikadub [295]

Answer: C. CO₂ and H₂O

Explanation:

Combustion reactions produce carbon dioxide and water.

3 0
2 years ago
What is the mole ratio of PbO2 to water?<br><br> PbO, H,0 = 1:0
ipn [44]

Answer:

<em>The mole ratio of PbO2 to H2O is 1 : 2.</em>

Explanation:

The balanced reaction equation is:

Pb + PbO2 + 2H2SO4 → 2PbSO4 + 2H2O

On the reactant side, we have 1 mole of Pb, 1 mole of PbO2, 2 moles of H2SO4.

On the product side, we have 2 moles of PbSO4 and 2 moles of H2O.

This means that for ever 1 mole of PbO2 consumed, 2 moles of water is formed as product.

Hence, the mole ratio of PbO2 to H2O is 1 : 2.

5 0
3 years ago
What is the density of mercury.
babymother [125]
The density of mercury is <span>5.43 g/cm³.</span>
6 0
3 years ago
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