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3 years ago

Can a solid defuse into both a liquid and a solid

2 answers:

8 0

Well solid can difuse to a liquid by add ingredients heat or melting something and liquid can go back to solid by freezing or letting something cool i don’t really know but if your asking if solid can difuse solid Yes it is possible that, the solid diffuses into solid . If we write on the blackboard and leave it uncleaned for a longer time we will observe that it is difficult to clean the blackboard afterwards. This is because of the diffusion of chalk particles into the blackboard also that part i looked up but makes sense

MariettaO [177]3 years ago

5 0

Diffusion of one state of matter into another: Solid can diffuse in liquid. When sugar is added to water, whole water becomes sweet without stirring it because of diffusion of sugar into water. ... Carbon dioxide and oxygen are the two gases in air which dissolves in water by diffusion.

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We can know what elements make up a star by studying the star's position in the

Amanda [17]

The answer is "night sky"
hope i helped :)

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3 years ago

Which of the following would the kinetic theory address?

AURORKA [14]

I think it’s B vibrations in molecules
Explanation: The Kinetic Theory of Matter states that matter is composed of a large number of small particles—individual atoms or molecules—that are in constant motion.

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3 years ago

Look up the active ingredient in baking soda. Write a molecular and net ionic equation when that active ingredient is mixed with

Volgvan

Answer:

The active ingredients in baking soda (NaHCO3) are

$Na^+$ and $HCO3^-$

when Baking soda reacts with Acetic acid

Molecular equation

NaHCO3(aq) + CH3COOH(aq) → Na(CH3COO)(aq) + CO2(g) +H2O(l)

Ionic equation

$Na^+ + HCO3^- + CH3COOH$ → $Na^+ + CH3COO^- +CO2 + H2O$

as $Na^+$ is present on both sides so it will cancel out and the net ionic equation will be

$HCO3^-(aq) + CH3COOH(aq)$ → $CH3COO^-(aq) + CO2(g) + H2O(l)$

6 0

3 years ago

What is used to classify galaxies?star typesestimated agecolorshape

lianna [129]

The correct answer among the choices given is the last option. Galaxies are classified according to their shapes or visual morphology. There three main types of galaxies currently. They are the elliptical, spiral and irregular. Elliptical galaxies are like a spheriod or an elongated sphere. Spiral galaxies are characterized and distinguished by having a bulge, a disk and a halo. Lastly, irregular galaxies do not have regular or symmetrical shape.

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4 years ago

Structural Formulas for Covalent Molecules

rosijanka [135]

Answer:

CFJA17
THZ561
GJA561
GH68
N461
DG56
BSJ57

HOPE IT HELPS THANK ME LATER.

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3 years ago