<u>Answer:</u> The enthalpy of the overall chemical equation is -205.7 kJ
<u>Explanation:</u>
Hess's law is defined as the law which states that the total amount of heat absorbed or released for a given chemical reaction will remain the same whether the process occurs in one step or several steps.
In this law, a chemical equation is treated as an ordinary algebraic expression that can be added or subtracted to yield the required overall equation.
The enthalpy change or heat of the overall reaction is the summation of the enthalpies or heats of the intermediate reactions involved in the process.
The given overall chemical equation follows:
The intermediate equations for the above reaction are:
(1) 
(2) 
(3) 
According to Hess law, the enthalpy of the reaction becomes:
![\Delta H^o_{rxn}=[1\times (\Delta H_1)] + [1\times (-\Delta H_2)] + [2\times (\Delta H_3)]](https://tex.z-dn.net/?f=%5CDelta%20H%5Eo_%7Brxn%7D%3D%5B1%5Ctimes%20%28%5CDelta%20H_1%29%5D%20%2B%20%5B1%5Ctimes%20%28-%5CDelta%20H_2%29%5D%20%2B%20%5B2%5Ctimes%20%28%5CDelta%20H_3%29%5D)
Putting values in above expression, we get:
![\Delta H^o_{rxn}=[1\times (74.6)] + [1\times (-95.7)] + [2\times (-92.3)]\\\\\Delta H^o_{rxn}=-205.7kJ](https://tex.z-dn.net/?f=%5CDelta%20H%5Eo_%7Brxn%7D%3D%5B1%5Ctimes%20%2874.6%29%5D%20%2B%20%5B1%5Ctimes%20%28-95.7%29%5D%20%2B%20%5B2%5Ctimes%20%28-92.3%29%5D%5C%5C%5C%5C%5CDelta%20H%5Eo_%7Brxn%7D%3D-205.7kJ)
Hence, the enthalpy of the overall chemical equation is -205.7 kJ
Ignition transformer
1.
Weight of the transformer is more.
2.
Voltage output of the transformer is from 10,000 volts
to 14,000 volts.
3.
Due to lower voltage output, fuel vaporization and
ignition will be slow.
4.
When there is a drop in voltage supply, the transformer
gets affected.
5.
Consumption of electricity is more.
Solid state igniter.
1.
Igniter weighs very light
2.
Igniter giver voltage output in the range of 14,000
volts to 20,000 volts
3.
Higher voltage output leads to faster vaporization of
fuel and ignition
4.
Very small affect is observed when there is a voltage
drop.
5.
Less electricity is consumed.
Answer: 633.6 g of 
can be produced from the decomposition of 4.8 moles of 
Explanation:
The balanced chemical equation for decomposition of 
is :
According to stoichiometry :
1 mole of produce = 3 moles of
Thus 4.8 moles of will rproduce=
of
Mass of 
Thus 633.6 g of can be produced from the decomposition of 4.8 moles of
Here, the three different notation of the p-orbital in different sub-level have to generate
The value of azimuthal quantum number (l) for -p orbital is 1. We know that the magnetic quantum number 
depends upon the value of l, which are -l to +l.
Thus for p-orbital the possible magnetic quantum numbers are- -1, 0, +1. So there will be three orbitals for p orbitals, which are designated as 
, 
and 
in space.
The three p-orbital can be distinguish by the quantum numbers as-
For 2p orbitals (principal quantum number is 2)
1) n = 2, l = 1, m = -1
2) n = 2, l = 1, m = 0
3) n = 2, l = 1, m = +1
Thus the notation of different p-orbitals in the sub level are determined.
