Answer:
i cant see the whats in the picture
Light moves in a straight line except at surfaces between different transparent materials, where its path bends.
At STP, copper (Cu) would be the only substance here that will exist in the solid state.
To explain your first paragraph which includes your thesis. The second paragrph supports your first pragraph
<u>Answer:</u> The value of
for the given chemical reaction is 0.1415
<u>Explanation:</u>
Equilibrium constant in terms of partial pressure is defined as the ratio of partial pressures of the products and the reactants each raised to the power their stoichiometric ratios. It is expressed as 
For a general chemical reaction:

The expression for
is written as:

For the given chemical equation:

The expression for
for the following equation is:

We are given:

Putting values in above equation, we get:

The value of
for the given chemical reaction is 0.1415