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4 years ago

In an electrolytic cell, where does the oxidation occur? a anode b cathode c external power source d salt bridge

Chemistry

1 answer:

Ganezh [65]4 years ago

8 0

The anode is charged positively. Oxidation happens on the anode.

For example,

(anode +) Zn - 2e⁻ = Zn²⁺

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The pressure of 8.40 L of nitrogen gas in a flexible container is decreased to one-half its original pressure, and its absolute

ollegr [7]

Answer:

33.6 L

Explanation:

From the question given above, the following data were obtained from:

Initial volume (V1) = 8.40 L L

Initial pressure (P1) = P

Initial temperature (T1) = T

Final pressure (P2) = one-half the original pressure = ½P

Final temperature (T2) = double the original temperature = 2T

Final volume (V2) =.?

Thus, the new volume of the gas can be obtained as follow:

P1V1/ T1 = P2V2 /T2

P × 8.40 / T = ½P × V2 /2T

P × 8.40 / T = P × V2 / 4T

Cross multiply

T × P × V2 = P × 8.40 × 4T

Divide both side by T × P

V2 = (P × 8.40 × 4T) /T × P

V2 = 8.40 × 4

V2 = 33.6 L

Thus, the new volume of the gas is 33.6 L

7 0

3 years ago

Which of these is an example of food engineering?

Andrej [43]

Answer:

a.labeling food with an ingredient list to inform consumers

Explanation:

3 0

3 years ago

Read 2 more answers

When a liquid is cooled, the kinetic energy if the particles A. Decrease B. Increases C. Remains the same. The force of attracti

scoray [572]

Answer:

(A.) Kinetic energy decreases
(B.) Force of attraction increases
(C.) Space between particles remains the same

Explanation:

Kinetic energy is the energy in motion. Cooling if liquid would cause decreased temperature and hence slow down the oscillation of the particles.

Likewise, increased heat reduces the force of attraction between said particles, which allowed for their free movement. So the cooling would have opposite effect.

Finally, the space between the particles would remain the same as it was originally, as their force of attraction is increased in the cooling process, they would take the form they are held in.

I hope this was helpful and concise?

3 0

3 years ago

Select all of the answers that apply. Without its atmosphere, Earth would be _____. warmer bombarded by meteorites similar to Ma

Papessa [141]

Without its atmosphere, Earth would be bombarded by meteorites, similar to mars, relatively lifeless. Without the atmosphere objects can just enter the atmosphere and cause serious harm to us, but with the atmosphere it basically reduces damage and shrinks it to size. Without the atmosphere earth would be like mars since it doesn't have a atmosphere. Without the atmosphere earth would be relatively lifeless since without air, us humans cant breathe so we will not survive.

6 0

3 years ago

Read 2 more answers

What contains 15 neutrons and 13 protons?

Alex

An isotope of Aluminium, a 'normal' Al atom would have a proton number of 13 (as this does not change in isotopes of the same element) but only 14 neutrons. This isotope of Al has 1 extra neutron than regular Al.

7 0

3 years ago