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3 years ago

The structures within the cytoplasm of a eukaryotic cell is what

1 answer:

5 0

In the cytoplasm of an eykaryotic cell all the cell organelles are localized (rough and smooth ER, Golgi apparatus, mitochondria, lysosomes or a vacuole, peroxisomes etc.). There are also many cytoplasmic proteins, the elements of the cytosceletton, vesicles, ribosomes and mRNAs.

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What is the molarity of a solution that contains 14 moles of solute and 2 liters of solution?

Nata [24]

Answer:

7 M

Explanation:

The molarity is defined as "moles per liter." Here, it is ...

(14 moles)/(2 liters) = 7 moles/liter = 7 M

6 0

3 years ago

Coke is an impure form of carbon that is often used in the in- dustrial production of metals from their oxides. If a sample of c

steposvetlana [31]

Answer:

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

Explanation:

$2CuO+C\rightarrow 2Cu+CO_2$

1 Ton = 907185 grams

Mass of copper oxide = 1.0 Ton = 907185 grams

Moles of copper oxide = $\frac{907185 g}{79.55 g/mol}=11,403.95 moles$

According to reaction, 2 moles of copper oxide reacts with 1 mole of carbon.

Then 11403.95 moles of copper oxide will react with:

$\frac{1}{2}\times 11403.95 mol=5,701.98 mol$ of carbon

Mass of 5,701.98 moles of carbon:

$5,701.98 mol\times 12 g/mol=68,423.75 g$

Mass of coke = x

Mass of carbon = 68,423.75 g

Percentage of carbon in coke = 95%

$95\%=\frac{68,423.75 g}{x}\times 100$

$x=720,250.09 g=0.794 Ton$

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

3 0

3 years ago

Examples of noble gases

LekaFEV [45]

Natural gas, desolate

4 0

3 years ago

How does repeatability have an effect on scientific research?

Bas_tet [7]

In science it is best to continue research, and rinse and repeat. This allows for a stronger hypothesis if you're results are the same every time, or change your hypothesis if you stumble upon new results. <span />

5 0

3 years ago

The best reading for the volume of the gas in the syringe in the picture shown right is

spayn [35]

Answer:

48.5 mL , just did it on edge

6 0

3 years ago