Answer: ¹²₅C
Explanation:
¹²₅C is incorrect. The superscript is the atomic mass. This varies between each element. The subscript is the atomic number. This doesn't change. You will see every element has the correct atomic atomic number except for Carbon. Carbon should have atomic number 6.
Because a physical change does not change the substance's chemical properties
An example of a chemical reaction like sugar's chemical formula is C6H12O6 and if we apply heat to it and it burns it will now become just carbon ashes C
Answer:- density of the liquid is 0.21 gram per mL.
Solution:- 
From given data, mass of cylinder = 10.4 g
mass of cylinder along with liquid = 11.7 g
So, mass of liquid = 11.7 g - 10.4 g = 1.3 g
Volume of liquid = 6.2 mL
Let's divide the mass by the volume to get the density of the liquid:
density = 
So, the density of the liquid is 0.21 gram per mL.
There must be just one microstate, the solid must be ionic, and it must be completely crystalline.
The concept of entropy with examples.
A measure of the system's energy distribution's entropy. We come across evidence that the cosmos aims for the highest level of entropy in many facets of human life. A campfire is an example of entropy. Hard wood melts and transforms into ash, air, and fumes, all of which disperse energy faster than liquid fuel.
In what units is entropy measured?
J/K is the unit of measurement for entropy. The absolute, or Kelvin, digital thermometer must be used to calculate the heat required by this equation. On this scale, zero is the lowest possible temperature that any substance might experience. At absolute zero, all atom motion ceases, and the disorder in a substance is zero (0 K).
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