Calculate the enthalpy of the reaction
2no(g)+o2(g)→2no2(g)
given the following reactions and enthalpies of formation:
12n2(g)+o2(g)→no2(g), δfh∘a=33.2 kj mol−1
12n2(g)+12o2(g)→no(g), δfh∘b=90.2 kj mol−1

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

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Which electron configuration represents the electrons in an atom of sodium in the ground state at stp