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What term describes the disorder of random molecular motion?
Brownian motion describes the disorder of random molecular motion, which is caused by the collision of molecules in a fluid. This phenomenon was first observed by botanist Robert Brown in 1827.
Which formula shows a substance that is not molecular h2 h h2o co2?
CO2 is not a molecular substance, as it is composed of one carbon atom and two oxygen atoms forming a covalent bond. The molecular formulas for H2, H, and H2O represent molecular substances where atoms are bonded together by sharing electrons.
How molecular motion changes as a substance changes from one state to another?
As a substance changes from a solid to a liquid, the molecular motion increases as the intermolecular bonds break and the molecules can move past each other more freely. When a substance transitions from a liquid to a gas, the molecular motion increases further as the molecules have enough energy to overcome intermolecular forces entirely and move independently.
Which substance has a higher molecular weight a methylene blue or potassium permanganate?
Potassium permanganate has a higher molecular weight compared to methylene blue. The molecular weight of potassium permanganate is approximately 158.03 g/mol while the molecular weight of methylene blue is around 319.85 g/mol.
Would a substance of high molecular weight diffuse faster than a substance of lower molecular weight?
No, substances with higher molecular weight typically diffuse more slowly than those with lower molecular weight due to larger size and greater interaction with surrounding molecules. Smaller molecules have less resistance to movement and can diffuse more easily across a membrane or through a solution.
Molecules are not in random motion when that substance is at?
Molecules are not in random motion when a substance is at absolute zero, the lowest possible temperature at which molecular motion ceases. At this point, molecular movement only exists due to the zero-point energy, preventing complete immobilization.
What is the shape of an amorphous substance?
an amorphous substance is something that has a random molecular formation in it's natural form (when solidified). the opposite would be semi-cristaline which has random molecular structure when heated but returns to an organised unifom state when solidified. example. certain polymers
What is the thermal energy of a substance?
Thermal energy of a substance is the internal energy associated with the random motion of its atoms and molecules. It is a measure of the total kinetic energy of the particles within the substance.
What is a gram of a molecular substance?
A gram of a molecular substance is the quantity that will have a mass of 1 gram.
What substance has a molecular weight of 765.82?
The substance with a molecular weight of 765.82 is the antibiotic called Azithromycin.
When a substace is heated how does the molecular motion change?
When a substance is heated, the molecules within it absorb energy and increase their kinetic energy, causing them to move more rapidly. This increased molecular motion leads to increased collisions between molecules and a higher overall temperature of the substance.
How do you describe the dissolving process as a result of random molecular motion?
In the dissolving process, the solute particles break apart and disperse into the solvent due to the random motion of molecules. This motion causes collisions between solute and solvent molecules, leading to a gradual mixing at the molecular level until the solute is evenly distributed throughout the solvent.
Which substance shows a substance that is not molecular?
A formula unit.
Can molecular structure of moonlight change random?
No. Light is not made of molecules and has no molecular structure to change.
What is the freezing point of a substance with a molecular weight of n2?
The freezing point of a substance with a molecular weight of N2 is -210.01 degrees Celsius.
What is the random mixing of gas called?
This phenomenon is the molecular diffusion.
What are the characteristics of a molecular substance?
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