Answer:
you need more details but if you have to find the difference, its $2.00
Explanation:
8-6=2
Answer:
The red one
Explanation:
not acturlly a thing between them so i might be wrong
Answer:
= -0.303 KW
Explanation:
This is the case of unsteady flow process because properties are changing with time.
From first law of thermodynamics for unsteady flow process

Given that tank is insulated so
and no mass is leaving so

Mass conservation 
is the initial and final mass in the system respectively.
Initially tank is evacuated so 
We know that for air
,

So now putting values

= -0.303 KW
In general, bury metal conduits at least 6 inches below the soil surface. You may also run them at a depth of 4 inches under a 4-inch concrete slab. Under your driveway, the conduits must be below a depth of 18 inches, and under a public road or alleyway, they must be buried below 24 inches.