The graph below shows the effect of temperature on the volume of a gas. Effect of Temperature
on the Volume of a Gas
76
74
72
70
68
Volume (mL)
66
64
62
60
0
0 10 20 30 40 50 60
Temperature (°C)
Which generalization can be made about the relationship between the temperature and volume of a gas?
A As the temperature of a gas decreases, its volume increases
As the temperature of a gas decreases, its volume stays the same
C. As the comperature of a gas increases, its volume increases
D. As the temperature of a gas increases, its volume stays the same

am i too late?

explanation:

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-