The heat absorbed when 2.8 mol NH₄NO₃ is dissolved in water is 71.96 kJ.
<h3>What is heat?</h3>
Heat is the transportation of energy to or from a thermodynamic system.
By the formula of heat

Where n = moles
Delta Hrxn is molar heat
q = heat
Putting the values in the equation

Thus, the heat absorbed when 2.8 mol NH₄NO₃ is dissolved in water is 71.96 kJ.
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Answer:
Valuable; rare
Explanation:
In the airline industry, frequent flyer programs, ticket kiosks, and e-ticketing are all examples of capabilities that are ___ but no longer ___.
Answer:
The element will be Boron which has 5 electrons in it, and at the atomic nucleus it consists of 5 neutrons and 5 protons.
The lewis electron dot structure for boron will have three dots on the atom.
Which can be represented as · X :
Where X represents the element and dots represents the electrons present in the outermost valence shell.
Boron distributes its 5 electrons in this way, that first shell has 2 electrons and the second shell has 3 electrons.
Explanation:
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