Answer:
strongest oxidizing agent: 
weakest oxidizing agent: 
strongest reducing agent: Y
weakest reducing agent: X
will oxidize Z
Explanation:
The higher the reduction potential of a species, higher will be the tendency to consume electrons from another species. Hence higher will be the oxidizing power of it's oxidized form and lower will be the reducing power of it's reduced form.
Alternatively, higher reduction potential value suggests that the oxidized form of the species acts as a stronger oxidizing agent and the reduced form of the species acts as a weaker reducing agent.
Order of reduction potential:
So, strongest oxidizing agent:
weakest oxidizing agent:
strongest reducing agent: Y
weakest reducing agent: X
As reduction potential of the half cell 
is higher than the reduction potential of the half cell 
therefore will oxidize Z into 
and itself gets converted into X.
Answer: There will be a shift toward the products.
The effect of increasing volume will be similar to decreasing pressure, it will shift the equilibrium into the side with higher molecule count. In the reaction above, the product molecule count is 1 (one PCl5) while the product is 2 (one PCl3 + one Cl2). So, increasing volume will increase the rate of product formation.
The answer is: dinitrogen triphosphide. This is because Tri means 3 and there are 3 phosphates, Di= 2 and there are 2 nitrogen’s.
An hypothesis is the proposed explanation that is made on the basis of limited evidence and it serves as the starting point for further investigation while a problem statement is a clear, concise description of the problems which needs to be addressed.
Problem statement is used to concentrate the focus of the researcher at the beginning, to keep him on track during the operation and at the end it is used to evaluate if the process delivered an outcome that solve the problems.
Hypothesis is used to define the relationship between two variables at the end of the research the scientist has to decide when its starting hypothesis is valid or not.<span />
The reaction will proceed in the reverse direction in order to increase the concentrations of both CO and H2O and decrease that of CO2 and H2 until Q = K.
The reaction will proceed to the left
Step 1: The balanced equation
CO(g) + H2O(g) ⇌ CO2(g) + H2(g)
Step 2: Data given
Kp = 2.7
Number of moles of CO = 0.13 mol
Number of moles of H2O = 0.56 mol
Number of moles of CO2 = 0.62 mole
Number of moles of H2 = 0.61 mol
Volume = 2.0L
Step 3: Calculate Q
Pco = 0.13 / 1.92 P
Ph2o = 0.56 / 1.92 P
Pco2 = 0.62/1.92 P
Ph2 =0.61 / 1.92 P
Q = [CO2][H2] / [CO][H2O] = 5.2
Q > Kp The reaction will proceed to the left
The reaction will proceed in the reverse direction in order to increase the concentrations of both CO and H2O and decrease that of CO2 and H2 until Q = K.
To know more about concentrations of both CO and H2O
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