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3 years ago

The operations of a cell are directed by the

Chemistry

1 answer:

8_murik_8 [283]3 years ago

3 0

Answer:

Nucleus. This structure directs all of the cell's activities, including reproduction.

Ribosomes. These small structures function as factories to produce proteins.

Cytoplasm. The area between the cell membrane and the nucleus. It contains a gel-like fluid.

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WHAT IS A ROCK?

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3 years ago

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slamgirl [31]

Answer:

2-ethly-3-5 dimethylheptam

Explanation:

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2 years ago

What is the density of 0.50 grams of gaseous carbon stored under 1.5 atm of pressure at a temperature of -20.0 C?

Fantom [35]

it has a density 6.50, hope it help

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3 years ago

A 1.25 g gas sample occupies 663 ml at 25∘ c and 1.00 atm. what is the molar mass of the gas?

lakkis [162]

Using ideal gas equation,

$P\times V=n\times R\times T$

Here,

P denotes pressure

V denotes volume

n denotes number of moles of gas

R denotes gas constant

T denotes temperature

The values at STP will be:

P=1 atm

T=25 C+273 K =298.15K

V=663 ml=0.663L

R=0.0821 atm L mol ⁻¹

Mass of gas given=1.25 g g

Molar mass of gas given=?

$Number of moles of gas, n= \frac{Given mass of the gas}{Molar mass of the gas}$

$Number of moles of gas, n= \frac{1.25}{Molar mass of the gas}$

Putting all the values in the above equation,

$1\times 0.663=\frac{1.25}{Molar mass of the gas}\times 0.0821\times 298.15$

Molar mass of the gas=46.15

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3 years ago

Which statement about scientific consensus is true?

Blababa [14]

what are the options?

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