A electrolytic* cell that electrolysis occurs
Ex. let say you wanted traces of graphene you would set up your usual electro-chemical exfoliation rig and the graphite you submerge would be your electrolytic cell.
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B
<u>Collisions between gas particles and the object</u> is the reason a gas exerts pressure on the object.
Explanation:
Gas molecules usually have higher kinetic energy than that of liquid and solids. These molecules, therefore, collide with other molecules of the gas and if the gas is held in a container, the gas molecules will also collide with the walls of the container. As the kinetic energy of the gas molecules increases, due to increased energy input in the gas, so does the energy of collisions between the molecules and the molecules with the walls of the container. This is how the pressure of a gas in a container increases with an increase in temperature.
Even though the gas molecules are tiny, the numerous collisions by the billions of gas molecules of the gas apply a cumulative pressure.
Learn More:
For more on gas pressure check out;
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Answer:
The answer is 8 grams of Oxygen
Explanation:
This is because Oxygen atomic mass is 16 and hydrogen mass is 2.
16/2=8
Answer:
B) It turns clear phenolphthalein pink.
Explanation:
KOH is a basic solution.
It turns red litmus paper turns blue.
It turns clear phenolphthalein pink.
The reagent which reacts with metals to form hydrogen gas is acid.
So, the right choice is:
B) It turns clear phenolphthalein pink.
