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KIM [24]
3 years ago
12

What is Tyndall effect? Describe an activity to show that a true solution does not show Tyndall effect

Chemistry
2 answers:
Shkiper50 [21]3 years ago
8 0

Answer:

Tyndall effect is the process of scattering of a beam of light by the dispersed phase of a colloidal solution.

Explanation:

This only takes place in such a solution where the particles have size b/w 1000nm to 1 nm. these particles keep floating because they have charge as well as they too light to sink, thus they are not affected even on the acting of gravitational force. this is therefore only possible in a colloidal solution and sometimes even in suspension as particles are first seen floating then on gravity they settle down. To show this we can perform a small activity,

We need to take two solutions- a true solution like salt water and a colloidal solution like milk solution.

using a torch pass a beam of light through the solutions. you will notice that in the case of a milk solution, you can see the path of light as the dispersed phase particles reflect it. but in the case of a true solution it is unable to see the path of light as the particles are too small. The path of light therefore cannot be seen.

Hence, this proves that true solution cannot show Tyndall effect whereas colloidal solutions show.

beks73 [17]3 years ago
5 0

Answer:

The Tyndall effect is the scattering of light as a light beam passes through a colloid. The individual suspension particles scatter and reflect light, making the beam visible. The amount of scattering depends on the frequency of the light and density of the particles

Explanation:

And an activity to see if the solution doesn't show the tyndall effect is to try to shine a flaslight through it and see if you can see it coming out the other end

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They tell you to have caution.
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2 years ago
. Explain the differences between ionic, nonpolar covalent, and polar covalent bonds.
butalik [34]

Answer:

Ionic bonds transfer ions while covalent bonds equally share them.

Explanation:

In an ionic bond, ions are transferred between each other and ionic bonds form between a metal and nonmetal.

Covalent bonds are equally shared between atoms and form between non metals only.

Specifically, nonpolar covalent bonds are perfectly symmetrical with equal distribution of electrons while polar covalent bonds are asymmetrical and there is a difference in electronegativity.

3 0
3 years ago
A system conducts 50. J heat to the surroundings while delivering 20. J of work. What is the change in internal energy
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1. “what forms of energy conversions occur during the process of photosynthesis? (How does energy transform?) 2. What is missing from the food web but is essential to maintain equilibrium? A. Soil B.water C. Decomposers D. Oxygen
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2 years ago
Se sabe que 10 g de calcio reaccionan con 4 g de oxígeno para obtener 14 g de óxido de calcio. Indica la cantidad de óxido de ca
egoroff_w [7]

Answer:

Si se usan 50 gramos de calcio y óxigeno, se obtienen 70 gramos de óxido de calcio.

Explanation:

Hola,

En este caso, la reacción llevada a cabo es:

2Ca+O_2\rightarrow 2CaO

De este modo si asumimos el ejemplo dado, 50 gramos de calcio, cuya masa atómica es 40 g/mol y 50 g de oxígeno, cuya masa atómica como gas diatómico es 32 g/mol, antes de calcular los gramos de óxido de calcio producidos, debemos identificar el reactivo límite. Así, calculamos las moles de calcio disponibles en 50 g:

mol_{Ca}^{disponible}=50gCa*\frac{1molCa}{40gCa} =1.25molCa

Y también las moles de calcio consumidas por los 50 g de oxígeno, utilizando su relación molar 2:1:

mol_{Ca}^{consumidas\ por\ O_2}=50gO_2*\frac{1molO_2}{32gO_2} *\frac{2molCa}{1molO_2} =3.125molCa

Por lo tanto, hay menos calcio disponible que el que consume el oxígeno, por lo que el calcio esel reactivo límite. Ahora, con este, calculamos los gramos de óxido de calcio, cuya masa molar es 56 g/mol, que se producen:

m_{CaO}=1.25molCa*\frac{2molCaO}{2molCa}* \frac{56gCaO}{1molCaO}\\ \\m_{CaO}=70gCaO

Esto quiere decir que de 50 gramos de oxígeno, solo 20 gramos reaccionan para formar 70 gramos de óxido de calcio.

Saludos!

4 0
3 years ago
Read 2 more answers
Describe the relative charge, relative mass and location of a proton.
Molodets [167]
The relative charge of a proton is +1. The relative mass of a proton is 1. The location of a proton is in the nucleus of an atom.
Hope this helps!
6 0
3 years ago
Read 2 more answers
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