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A student dissolving some ammonium nitrate (NH4NO3) in water notices that the beaker gets cooler as the solid dissolves. This is an example of ________
Q20: Arrange the following compounds in order of
Q26: What is the orbital designation for an
Q28: _, or spreading out the brand among
Q32: Which one of the following is an
Q34: De Broglie reasoned that for the electron
Q35: Which of the following gases has nearly
Q42: Two neutrons were walking down the street.
Q60: Explain why the boiling point of nitrogen
Q68: What is the geometry of the ClF<sub>4</sub><sup>-</sup>
Q99: Which of the following orbitals is the