Answer: It helps scientists access info more easily about the elements, in a more efficient and faster way. The periodic table is helpful in seeing atomic and chemical trends by seeing where they are placed on the table.
Explanation:
Answer:
Folded mountains form when two tectonic plates meet face to face and force rocks to raise to give room at the bottom. That forms a series of edges... that can pile up and get very high, as in the case of the Andes, which were formed by the compression of the encounter of the Nazca plate and the South American plate.
Answer:
1.because of this they can save 2.the fund allows them to buy food I don't know if that's right
Explanation:
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Answer:
6^2
Explanation:
Guessing the question should be formatted like this:
Question (number) : Which is a perfect square?
a) 6 ^ 1
b) 6 ^ 2
c) 6 ^ 3
d) 6 ^ 5
A perfect square is something squared. (wow)
6^2 is the perfect square
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
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