The enthalpy of the solution is <u>positive </u>and the entropy is <u>positive</u>.
Potassium trioxonitrate (V) KNO₃(s) is a strong oxidizing solid substance that when dissolved in water changes to aqueous solution.
In its aqueous solution state, the randomness of molecules increases as a result of that the entropy will also increase leading to the positive state of the entropy.
Similarly, provided that the solution becomes quite cold to the touch, the enthalpy is also in it positive state.
Therefore, we can conclude that the enthalpy of the solution is <u>positive </u>and the entropy is <u>positive</u>.
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Answer:
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Milliequivalent is a unit that made from millimol unit multiplied by the valence of the atoms. Calcium has 2 valence electron so the mEq would be twice as much as the mol. The solution has 155meq/liter and the volume is 1850ml. Then, the amount of calcium in the solution should be:
1850ml * (155mEq/1000ml) / (2mEq/mmol)= 143.375mmol= 0.144 mol
Answer:
A
Explanation:
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Heat capacity
Explanation:
The heat capacity is the energy required to raise the temperature of a substance.
With the value of this amount of heat known, we can know the amount of heat that will cause a particular temperature change when added or removed from a substance .
- Heat capacity is a function of mass and specific heat capacity of a body
- The specific heat capacity measures the amount of heat required to the raise the temperature of 1g of a substance by 1°C or 1K
- Different substances have different specific heat capacities and hence will require various amount of heat to change their temperature.
- Metals usually have low heat capacity because they are good heat conductors and would require little amount of heat to change their temperature.
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Heat capacity brainly.com/question/7139767
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