At STP the standard temperature is 273.15 K.
At STP the standard temperature is 0*C
Answer:
Explanation:
Scientific theory is an in-depth explanation of the observed phenomenon. A law is a statement about an observed phenomenon or a unifying concept.
Answer:
N₂(g) + 2O₂(g) → 2NO₂(g).
Explanation;
Photo-chemical smog is considered to be a new type of air pollution that is basically a mixture of pollutants that are formed when volatile compounds of organic nature (Hydrocarbons) react and Nitrogen oxides (NOx) react with solar radiations of sun and lead to the formation of photochemical smog that looks like a brown haze in the skies of cities.
pounds (VOCs) react to sunlight, creating a brown haze above cities. It tends to occur more often in summer, because that is when we have the most sunlight.
As mentioned in the question, the formation of smog involves a series of reactions:
N2(g) + O2(g)—>2NO(g)
2NO(g) + O2(g)—>2NO2(g)
NON(g) light_» NO(g) + O(g)
O2(g)+O(g)—>Os(9)
NO(g) + O2(g)—>NO2(g) + O2(g)
If we combine all these chemical equations, it gives an answer as:
N₂(g) + 2O₂(g) → 2NO₂(g).
This is because main components involve in the formation of smog is initial N2 and 2 molecules of O2.
Hope it helps!
Explanation:
Let us assume that 5.49 g of Iron chloride is dissolved in 350 ml of 66.0 mM aqueous solution of silver nitrate
Hence, the balanced chemical equation for this reaction is as follows.
So, moles of Iron chloride = 5.49 g of molar mass of Iron chloride
No. of moles = 
=
= 0.0338 moles
And, moles of silver nitrate = molarity × volume in L
= 66.0 Mm
or, = 0.066 M × 350 ml
= 0.0231 moles
Therefore, here silver nitrate is the limiting agent
.
Now, we will calculate the moles of
which are reacted as follows:.
= 0.01155 moles
Remaining moles of
= 0.0338 moles
- 0.01155 moles
= 0.02225 mole
Or, 0.0445 moles
ions.
Now, we will calculate the molarity as follows.
Molarity = 
= 
= 0.127 M
Thus, we can conclude that final molarity of chloride anion in the solution is 0.127 M.