Which part of the cell is the cathode? X Y W Z

Chemistry

2 answers:

Firlakuza [10]3 years ago

8 0

Electrolytic cell negative

rusak2 [61]3 years ago

8 0

Could you put the answers for each one of the choices please

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The chemical equation below shows the reaction of methane (CH4) and oxygen gas (O2) to form carbon dioxide (CO2) and water (H2O)

Leona [35]

The answer you have marked is correct

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3 years ago

How do you find the pressure in a container if you don't have the temperature?

BARSIC [14]

It depends on the process.
Like for example if the process is isothermal(temperature is constant), you can use,
PV = constant or P1V1 = P2V2 where P1V1 are initial conditions and P2V2 are final.

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where gamma = Cp
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3 years ago

Karolina [17]

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Titanium metal will react with liquid water to form solid titanium (IV) oxide and hydrogen gas. How many moles of titanium will

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6 0

3 years ago

Please help! Thanks!

olya-2409 [2.1K]

Answer:

The deviations are :

The activation energy which changes with temperature
The arrhenius constant which depends on the temperature

Explanation:

There are deviations from the Arrhenius law during the glass transition in all classes of glass-forming matter.

The Arrhenius law predicts that the motion of the structural units (atoms, molecules, ions, etc.) should slow down at a slower rate through the glass transition than is experimentally observed.
In other words, the structural units slow down at a faster rate than is predicted by the Arrhenius law.
This observation is made reasonable assuming that the units must overcome an energy barrier by means of a thermal activation energy.
The thermal energy must be high enough to allow for translational motion of the units which leads to viscous flow of the material.

Both the Arrhenius activation energy and the rate constant k are experimentally determined, and represent macroscopic reaction-specific parameters that are not simply related to threshold energies and the success of individual collisions at the molecular level.
Consider a particular collision (an elementary reaction) between molecules A and B. The collision angle, the relative translational energy, the internal (particularly vibrational) energy will all determine the chance that the collision will produce a product molecule AB.
Macroscopic measurements of E(activation energy) and k(rate constant ) are the result of many individual collisions with differing collision parameters. They are averaged out to a macroscopic quantity.

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3 years ago