The structure of <span>4-chlorophthalic acid is attached below:
4-chlorophthalic acid is a dibasic acid i.e. it has 2 replaceable hydrogen atom. As compared to mineral acids, it is a weak acid. However, as compared to aliphatic acid, it is a strong acid. This is because of resonance effect.
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Answer:
![C_{alloy}=0.497\frac{J}{g\°C}](https://tex.z-dn.net/?f=C_%7Balloy%7D%3D0.497%5Cfrac%7BJ%7D%7Bg%5C%C2%B0C%7D)
Explanation:
Hello there!
In this case, according to this calorimetry problem on equilibrium temperature, it is possible for us to infer that the heat released by the metal allow is absorbed by the water for us to write:
![Q_{allow}=-(Q_{water}+Q_{Al})](https://tex.z-dn.net/?f=Q_%7Ballow%7D%3D-%28Q_%7Bwater%7D%2BQ_%7BAl%7D%29)
Thus, by writing the aforementioned in terms of mass, specific heat and temperature, we have:
![m_{alloy}C_{alloy}(T_{eq}-T_{alloy})=-(m_{water}C_{water}(T_{eq}-T_{water})+m_{Al}C_{Al}(T_{eq}-T_{Al})](https://tex.z-dn.net/?f=m_%7Balloy%7DC_%7Balloy%7D%28T_%7Beq%7D-T_%7Balloy%7D%29%3D-%28m_%7Bwater%7DC_%7Bwater%7D%28T_%7Beq%7D-T_%7Bwater%7D%29%2Bm_%7BAl%7DC_%7BAl%7D%28T_%7Beq%7D-T_%7BAl%7D%29)
Then, we solve for specific heat of the metallic alloy to obtain:
![C_{alloy}=\frac{-(m_{water}C_{water}(T_{eq}-T_{water})+m_{Al}C_{Al}(T_{eq}-T_{Al})}{m_{alloy}(T_{eq}-T_{alloy})}](https://tex.z-dn.net/?f=C_%7Balloy%7D%3D%5Cfrac%7B-%28m_%7Bwater%7DC_%7Bwater%7D%28T_%7Beq%7D-T_%7Bwater%7D%29%2Bm_%7BAl%7DC_%7BAl%7D%28T_%7Beq%7D-T_%7BAl%7D%29%7D%7Bm_%7Balloy%7D%28T_%7Beq%7D-T_%7Balloy%7D%29%7D)
Thereby, we plug in the given data to obtain:
![C_{alloy}=\frac{-(400g*4.184\frac{J}{g\°C} (30.5\°C-10.0\°C)+200g*0.900\frac{J}{g\°C}(30.5\°C-10.0\°C)}{150g(30.5\°C-540\°C)} \\\\C_{alloy}=0.497\frac{J}{g\°C}](https://tex.z-dn.net/?f=C_%7Balloy%7D%3D%5Cfrac%7B-%28400g%2A4.184%5Cfrac%7BJ%7D%7Bg%5C%C2%B0C%7D%20%2830.5%5C%C2%B0C-10.0%5C%C2%B0C%29%2B200g%2A0.900%5Cfrac%7BJ%7D%7Bg%5C%C2%B0C%7D%2830.5%5C%C2%B0C-10.0%5C%C2%B0C%29%7D%7B150g%2830.5%5C%C2%B0C-540%5C%C2%B0C%29%7D%20%5C%5C%5C%5CC_%7Balloy%7D%3D0.497%5Cfrac%7BJ%7D%7Bg%5C%C2%B0C%7D)
Regards!
<span>Photosynthesis Is a Reaction To Make Food</span>
Electrons are added to the same principal energy level.
The choices are:
<span>A. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 0</span>°<span>C.
B. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 298 K.
C. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 273</span>°<span> C.
D. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 100</span>°<span> C.
The correct answer is A because the two gases will have the same temperature and 273 K = 0</span>°C