liters
You would most likely use milliters.
No it's a cup ! A cup is a unit of measure , just like a liter .
Ounces (Avoirdupois ounces, not fluid ounces. Fluid ounces measure volume, not mass.)
Oh honey, we're talking about the size of a soup pot, not rocket science. You'd measure the capacity of a soup pot in good ol' liters or gallons. Just remember, the bigger the pot, the more soup you can make to feed your hungry soul.
The answer depends on what characteristic of the soup can you wish to measure: mass, volume, temperature, radius, height, etc. There is no way to answer the question unless that information is provided.
The recommended uint in SI is litre (L) or the submultiple mL.
The SI (Le Systeme International d'Unites, International Unit) for length is Meter (m) but other units such as Centimeter (cm) or Millimeter (mm) can be used.
You are measuring the thermal energy of the hot soup, which is reflected in its temperature. Temperature is a measure of the average kinetic energy of the molecules in the soup.
The interior volume of the bowl. - ( Usually about 2 cups )
Either. A tin could described as 0.4 litres or 400 millilitres. In the UK they are often labelled in terms of the met mass (or weight).
As far as I am aware, CO is not a unit of measure.