The source of heat energy would be the electrical energy
By this i mean that the electric kettle converts the electrical energy from the outlet into heat energy
Answer:
Dry desert air cools much more quickly resulting in much colder nighttime temperatures.
Explanation:
The higher the moisture content in the air the harder it is to cool. Water has a much greater specific heat than dry air, retaining much more energy for each degree of temperature.
PLEASE! BRAINLIEST!
Answer:
Sorry i really dont know goodluck
Explanation:
Answer:
ΔH° = -186.2 kJ
Explanation:
Hello,
This case in which the Hess method is applied to compute the required chemical reaction. Thus, we should arrange the given first two reactions as:
(1) it is changed as:
SnCl2(s) --> Sn(s) + Cl2(g)...... ΔH° = 325.1 kJ
That is why the enthalpy of reaction sign is inverted.
(2) remains the same:
Sn(s) + 2Cl2(g) --> SnCl4(l)......ΔH° = -511.3 kJ
Therefore, by adding them, we obtain the requested chemical reaction:
(3) SnCl2(s) + Cl2(g) --> SnCl4(l)
For which the enthalpy change is:
ΔH° = 325.1 kJ - 511.3 kJ
ΔH° = -186.2 kJ
Best regards.
