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lesya [120]
3 years ago
13

What point A on the phase diagram called?

Chemistry
1 answer:
Mariana [72]3 years ago
6 0

Answer:

D) the critical point

Explanation:

Point A is the critical point in phase diagram. This is the highest temperature and pressure at which a pure material can exist in vapor/liquid equilibrium. Pretty cool!

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How many atoms are in the 3.5 moles of arsenic atoms?
Dmitry_Shevchenko [17]
Number of atom in one mole = 6.022 × 10²³
So, in 3.5 moles, it would be: = 6.022 × 10²³ * 3.5 = 2.1 × 10²⁴

In short, Your Answer would be 2.1 × 10²⁴ atoms

Hope this helps!
6 0
3 years ago
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The energy produced when nucleons fuse together is called the: Select the correct answer below:
STatiana [176]

Answer:

Option C (nuclear binding energy) is the appropriate choice.

Explanation:

  • At either the nuclear scale, the nuclear binding energy seems to be the energy needed to remove and replace a structure of the atom itself into the characterize elements (to counteract the intense nuclear arsenal).
  • Nuclear warheads (bargaining power) bind everything together neutrons as well as protons within an elementary particle.

Some other options in question aren't relevant to the particular instance. So that the option preceding will also be the right one.

8 0
4 years ago
Please help with this chem question asap(photo)
ella [17]

Answer:

b

Explanation:

6 0
3 years ago
Which of the following is an example of a chernical change?
matrenka [14]

Answer:

the chemical change occur in burning paper.

boiling water does not make any chemical change

melting gold "

dissolving sugar in water "

in these examples the reactant remains as the same , even if you melt gold it is gold itself, it only change its state.

7 0
4 years ago
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Help me out u get points Select the correct answer from each drop-down menu.
kvv77 [185]

Answer:

The thermal energy is the average kinetic energy of the particles in an object.

Explanation:

Hello!

In this case, since the thermal energy is associated to the temperature and the system and its effect over the molecules in the light of their movements, we infer that the proper answer is:

"The thermal energy is the average kinetic energy of the particles in an object".

On the contrary, we consider that the internal energy is referred to the total energy of the particles in the system and the translational energy is associated to the eventual movement of the system.

Best regards!

6 0
3 years ago
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