<h2>Enthalpy Difference</h2>
Explanation:
- The 2nd Law of Thermodynamics states that when energy is converted from one form to another, some is always lost due to difference in the enthalpy of the system, which always increases.
- Enthalpy may be defined as the amount of energy that is stored.
- During a chemical reaction, the system will absorb or gives out energy in the form of heat and light.
- The change in energy during a chemical reaction is due to the difference in the energy amount of reacting species and species that are formed.
12. Substances
13. Isotopes
14. Atomic
Hope I Helped!
We have a balanced equation:
2 Al+ 3 CuSO4 ⇒ Al2(SO4)3+ 3 Cu
1.85 g Al* (1 mol Al/ 26.98 g Al)* (3 mol Cu/ 2 mol Al)* ( 63.55 g Cu/ 1 mol Cu)= 6.54 g Cu.
(Note that the units cancel out so you get the answer)
6.54 g Cu* (56.6/100)= 3.70 g Cu.
The final answer is 3.70 g Cu~
Answer:
a) Yes, these bands of signals overlap.
b) FM has broader transmission band.
Explanation:
a) Frequency range of TV channels = 59.5 to 215.8 MHz
Wavelength range of FM radio = 2.78 m to 3.41 m
Frequency of the wave = 
Wavelength of the wave = 
Speed of light = c = 
Frequency of wave with, 
Frequency of wave with, 
Frequency range of FM = 87.89 to 107.9 MHz
Frequency range of TV channels = 59.5 to 215.8 MHz
Yes, these bands of signals overlap.
b)
Frequency range of AM = 550 to 1600 kHz
1 kHz = 0.001 MHz
550 to 1600 kHz = 
to 
= 0.55 MHz to 1.6 MHz
Frequency range of AM = 0.55 to 1.6 MHz
Frequency range of FM = 87.89 to 107.9 MHz
FM has broader transmission band.
