Answer:
there is no picture so we can't tell why the containers are heavy
The internal energy of the ideal gas is zero
The change in internal energy for an isothermal process is zero.
An ideal gas has no interactions between particles, therefore no intermolecular forces.
pressure change at constant temperature does not change the internal energy.
Adiabatic throttling expansion has less work done and lower heat flow.
That lower the internal energy.
The temperature decreases during the adiabatic expansion
Hence the internal energy of the ideal gas is zero
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A compound is composed of 2 or more different elements and or atoms, and thus 1. CS2 would be a compound for the above reason.
Answer:
A and E for sure.
Explanation:
Can't be B or C, since it is stated in the problem. And probably not D because candy don't have magnetism to them.
