3 years ago

What is the best definition of a eukaryotic cell?

Chemistry

1 answer:

Novosadov [1.4K]3 years ago

3 0

Answer:

A. has an internal structure consisting of a membrane–bound nucleus and membrane–bound organelles

Explanation:

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The atmospheric pressure on the surface of Venus is 6.84X10^4. Calculate the atmospheric pressure in atm and torr. Round each of

quester [9]

Answer:

0.675 atm

513 Torr

Explanation:

Given is that, the atmospheric pressure on the surface of Venus is

6.84 X 10⁴ Pa.

1 atm (atmospheric pressure) is equal to 101325 pascal (Pa).

To convert divide the pressure value by 101325.

Pressure in atm = $\frac{6.84 \times 10^{4} }{101325}$

= 0.675055 atm

Rounding it off to 3 significant digits: 0.675 atm

Now, one Torr is 133.322 Pa. For conversion, divide the pressure value by 133.322.

Pressure in Torr = $\frac{6.84 \times 10^{4} }{133.322}$

=513.04219 Torr

Rounding it off to 3 significant digits: 513 Torr

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2 years ago

Which of the following actions can a person take in order to best conserve fossil fuel resources?

iris [78.8K]

It’s c it has to be in certain

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A system gains 652 kJ of heat, resulting in a change in internal energy of the system equal to +241 kJ. How much work is done?

levacccp [35]

Answer:

-411 kj

Explanation:

We solve by using this formula

∆U = ∆Q + ∆W

This formula is the first law of thermodynamics

Change in internal energy U = +241

Heat gained by system Q = 652

Putting the value into the equation

+241 = 652 + W

Workdone = 241 - 652

Workdone = -411 kj

Since work done is negative it means that work was done by the system

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All atoms of the same element have the same:

Korvikt [17]

They have the same number of protons

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What is the difference of a mineral and a gem?

Citrus2011 [14]

A gem is a crystalized mineral.

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