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3 years ago

Study the diagram of a cell.

Chemistry

2 answers:

kolbaska11 [484]3 years ago

6 0

Answer:

W and Z

Explanation:

W is cell membrane and Z is mitochondria. Both plant and animal cells have cell membrane, which is semi-permeable and slows the exchange of certain molecules in and out of the cell. Mitochondria is present in both animal and plant cells. Mitochondria is known as the powerhouse of cell. ATP through oxidative phosphorylation is generated in the mitochondria.

My name is Ann [436]3 years ago

5 0

The answer would be W and Z

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Can Someone help me please…

erma4kov [3.2K]

Answer:

1.Ecologists often estimate the size and density of. populations using quadrats and the mark-recapture method.

2. The two key components of ecosystem stability are resilience and resistance.

3.The availability of abiotic factors (such as water, oxygen, and space) and biotic factors (such as food) affect population

4. When the climate is changing in the colder direction it effects the planet in the opposite way than it does when it is changing in the warmer direction. Ad nauseam the contemporary, it’ll keep getting hotter and at a greater rate so the ecosystem is going to die.

7 0

2 years ago

4. A 0.51 kg solution contains 87 mg of potassium iodide. Calculate the W/W concentration

anzhelika [568]

Taking into account the definition of percentage composition, the percent composition of potassium iodide in this sample is 0.017%.

<h3>Definition of percent composition </h3>

The Percentage Composition is a measure of the amount of mass that an element occupies in a compound and indicates the percentage by mass of each element that is part of a compound.

To calculate the percentage of composition, it is necessary to know the mass of the element in a known mass of the compound.

<h3>Percentage Composition in this case</h3>

In this case, you know that a 0.51 kg (or 510000 mg, being 1 kg= 1000000 mg) solution contains 87 mg of potassium iodide.

Dividing the mass amount of potassium iodide present in the compound by the mass of the sample and multiplying it by 100 to obtain a percentage value, the percentage composition of potassium iodide is obtained:

$percentage composition of potassium iodide=\frac{87 mg}{510000 mg} x100$

<u><em>percentage composition of potassium iodide= 0.017%</em></u>

Finally, the percent composition of potassium iodide in this sample is 0.017%.

Learn more about percent composition:

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3 0

2 years ago

Explain How does its structure affect its function

Slav-nsk [51]

Answer:

What are we talking about here?

Explanation:

3 0

3 years ago

Someone help me rn! ASAP

Olenka [21]

Answer:thermal energy

Explanation:Thermal radiation is the emission of electromagnetic rays from all matter that’s greater then zero

3 0

3 years ago

If a balloon containing 3000 L of gas at 39 C and 99 k Pa rises to an altitude where the pressure is 45.5 kPa and the temperatur

mihalych1998 [28]

Answer:

The new volume of the balloon will be 6046.28 L

Explanation:

Initial pressure (P1) = 99 kpa

initial volume (V1) = 3000 L

Initial temperature = 39 C = 39 + 273 = 312 K

Final pressure (P2) = 45.5 kpa

Final temperature = 16 C = 16 +273 = 289K

Final volume = ????

To calculate the final volume using the general gas equation

P1 V1 / T1 = P2 V2 / T2

make V2 the subject of the formular

V2 = 99000 ×3000× 289 / 45500×312

V2 = 85833000 /14196

V2 = 6046.28 litres

5 0

3 years ago