Oftentimes solubility of a compound limits the concentration of the solution that can be prepared. Use the solubility data given
1 answer:
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Answer :
The steps involved in the electron dot structure of are :
First we have to determine the total number of valence electron in .
Number of valence electrons in N = 5
The charge on N is (-3). So, we add 3 electrons.
Total number of valence electrons = 5 + 3 = 8 electrons
The image is shown below.
Answer:
1.2 × 10⁴ cal
Explanation:
Given data
- Mass of water (m): 300 g
- Initial temperature: 80 °C
- Final temperature: 40°C
We can calculate the heat released by the water () when it cools using the following expression.
where
c is the specific heat capacity of water (1 cal/g.°C)
According to the law of conservation of energy, the sum of the heat released by the water () and the heat absorbed by the reaction (
) is zero.