By adding the enthalpies of the intermediate reactions together to get the enthalpy of the desired reaction
Answer:
Explanation:
It depends on how this is done. If you raise the pressure, the nitrogen will disappear (liquify) and all that will be left will be the 21 % oxygen and the 1% argon.
The process is very complicated because the boiling point of nitrogen keeps on changing. The boiling point is unstable.
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When the ice melts, the water level will drop slightly but not much.
REMEMBER Ice expands so when ice melts, it shrinks back to the state of being liquid.
Answer:
B
Explanation:
Atomic # = Protons
it says 4 p in the inside of the orbital
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