Which statement describes the general process of diffusion?

2 answers:

6 0

Diffusion is different from osmosis. Diffusion is when a solute passes through a semipermeable membrane inorder to reach equalibrium, while osmosis is water passing through a semipermeable membrane in order to reach equilibrium. Diffusion is when a higher concentration dilutes a lower concentration to reach its most equal state.

irinina [24]3 years ago

3 0

Answer: molecules start out unevenly distributed and end up evenly distributed

Explanation:

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The chemical formula for glucose is C6H12O6. Therefore, four molecules of glucose will have carbon atoms, hydrogen atoms, and ox

Gekata [30.6K]

If there are 4 molecules of glucose, there will be 24 carbon, 48 hydrogen, and 24 oxygen.

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Light of a given wavelength is used to illuminate the surfacce of a metal, however, no photoelectrons are emitted. In order to c

Jlenok [28]

Answer:

B. use light of a shorter wavelength.

Explanation:

We know that

$E= \frac{hc}{\lambda}$

h= plank's constant

c= speed of light

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Mnenie [13.5K]

When you hit a bump every 0.9 seconds.

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3 years ago

As 390 g of hot milk cools in a mug it transfers 30 000 j of heat to the environment. whats is the temperature change of the mil

Fed [463]

You have to use the specific heat equation.

Q = cmΔT where Q is the energy, c is specific heat, m is mass, and ΔT is change in temp.

So we can substitute our variables into the equation.

30000J = (390g)(3.9J*g/C)ΔT

Solving for ΔT, we get:

30000J/[(390g)*(3.9J*g/C) = ΔT

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I'm assuming the temperature is C, since it was not specified.

Hope this helps!

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What are the main ideas of physical science

Mademuasel [1]

Hysical science is defined as the study of observable phenomena in the universe.

the main idea of physical science is known as the "scientific method". 

this method states: 

observe a "real" ( not imaginary ) phenomena. 

make a hypothesis ( or theory / idea ) that EXPLAINS this phenomena. 

conduct a real experiment to test this hyothesis. 

confirm that the experiment validates the original hypothesis and if necessary amend the theory. 

it has worked so well that the very communication you are having with me is a result of the wonders of physical science.

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