What kind of mixture is a solution? A suspension? A colloid?
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* Colloid medium is a type of heterogeneous material, whose diversity is observed only by means of instruments for high resolution.
* The suspensions are heterogeneous mixtures containing large and sometimes visible solutes not constituting a homogenous liquid.
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Answer:
A solution mixture is a homogenous mixture of two or more substances where one substance has dissolved the other.
A Colloid mixture is a homogenous mixture where the particles are small enough that they stay suspended. and are evenly distributed throughout another substance.
A Suspension mixture is a type of heterogeneous mixture where solid particles do not dissolve in a liquid solution
An example of a solution mixture are salt water, rubbing alcohol, and sugar dissolved in water. When you look closely, upon mixing salt with water, you can't see the salt particles anymore, making this a homogeneous mixture
An example of a colloid mixture include whipped cream, mayonnaise, milk, butter, gelatin, jelly, muddy water, plaster, colored glass, and paper. Every colloid consists of two parts: colloidal particles and the dispersing medium
An example of a suspension mixture is water and sand When mixed up, the sand will disperse throughout the water. If left alone, the sand will settle to the bottom.
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The same force is used to kick both of these objects below. Which will have greater acceleration? Bowling ball Soccer Ball They will accelerate the same Neither will accelerate
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Answer:
Yes, this is possible.
Explanation:
It is possible that a cup of tea and teapot filled with tea has the same thermal energy. This often occurs in the real world, when two different thermal energy bodies are placed next to each other.
When two bodies are placed next to each other and these two bodies have different temperatures, there is a transfer of thermal energy between them, which allows them to present the same thermal energy.
With that we can conclude that the teapot received thermal energy from the stove and passed that energy to the tea that was inside it, in this way, tea and teapot had equal thermal energy. This tea, with high thermal energy, was placed in a cup with low thermal energy. The tea promoted a transfer of heat between him and the cup, allowing them to equalize their temperatures and consequently the thermal energy.
In this way, the cup has the same temperature as the tea, which has the same temperature as the teapot.
And then, explain why you chose your answer.
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In a chemical change, chemical properties change and new products are formed. In burning, coal is obtained, and the chemical properties change of any substance, be it wood, charcoal or anything. Gas is also evolved, which shows that a chemical change has taken place.
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Answer:
Explanation:
The chemical formula for hydrogen is H while chemical formula for oxygen is O
Considering that two moles of hydrogen and 2 moles of oxygen react to form water, the equation will be
The number of oxygen molecules don't balance on both LHS and RHS hence to balance it, we put it as follows
Normally, two moles of hydrogen require only one mole of oxygen to form two moles of water.
O
A. number of ions
B. number of isotopes
C. number of neutrons
O
D. number of electrons
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Answer:
The correct answer is option C.
Explanation:
Atomic number(Z) = Total number of protons present in a nucleus of an atom.
Atomic mass(M) = Sum of protons and neutrons present in the nucleus
M = Z + Total number of neutrons
If we are given with mass number of an element and we are said to determine the atomic number of the compound:
22 = Z + Total number of neutrons
Z = 22 - Total number of neutrons
We will require total number of neutrons to determine the atomic number of an unknown elementthat has a mass number of 22.
The mass of an atom is based on the number of protons and neutrons in its nucleus.
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Question: alpha effect on atomic mass and effect on atomic number
Answer: the atomic mass number decreases by four and the atomic number decreases by two
Explanation: When an alpha particle is emitted from the nucleus, the nucleus loses two protons and two neutrons and creates a new element
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