The force of a gas's outward push divided by the area of the walls of the container is the gas's
2 answers:
Answer:
Pressure
Explanation:
Pressure : It is defined as the force exerted on an object per unit area.
It can be defined as the thrust (compressive force acting perpendicularly to the surface of the body) acting per unit area.
Mathematical representation
If force F act upon an object and cross section area of an object is A.
Then , pressure=
Unit of pressure: S.I unit of an object is pascal.
In gas cases, pressure is a exerted force on the wall of container per unit area of the wall.
Hence, the force of gas's outward push divided by the area of the walls of the container is the gas's pressure.
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Answer:
Any binary molecular compound of hydrogen and a Group 6A element above Selenium will be less acidic, so water and dihydrogen sulfide are less acidic in aqueous solution than hydrogen selenide.
Explanation:
Going down in a group increases the atomic radius and a greater atomic radius implyes greater ionic radius.
When ionization takes place in these compounds they yelds protons (hidrogen ion) and an lewis base (anion). The greater the ionic radius the greater its stability, thus the periodic tendency is increaing the acidity of binary hidrogen compounds when going down a group. On the other hand going up a group decreases acidity, so any molecular compound of hydrogen and a Group 6A element above Selenium will be less acidic, so water and dihydrogen sulfide are less acidic in aqueous solution than hydrogen selenide.
