Answer:
32 cm is the length of PQ ans
Answer:
The biological carbon cycle
Explanation:
1000 times greater than the geological cycle
it just is
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.
Learn more about heat
brainly.com/question/1429452
#SPJ1
The only way I would think is that when making a PB&J the jelly and peanut butter are on separate breads showing that division between races. But, when you put the two sides together they are supposed to taste better together than alone which might symbolize that when races come together they are better together than seperate.