Sorry I came a lil late,
The answer to your question is, 2.
Hope this helps! :)
Answer:
it's a physical change
Explanation:
there there was no burning it was grabbing and just cutting
The physical state, or phase, that has the greatest kinetic energy is gas. In a gas, the molecules are more free to move and they move more rapidly than in the other phases, and it is this motion that constitutes kinetic energy.
Answer: the heat content of a system at constant pressure.
Explanation:
Enthalpy is defined as the heat content of a system at constant pressure.
It is the heat absorbed or released during a reaction at constant pressure,denoted as ΔH.
The only stable caesium isotope is 133Cs, with 78 neutrons.
Hope this answers your Q
