Recent content by NickP717

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    Calculating deltaH°f for O(g) - 142.0 kJ/mol

    Homework Statement The bond energy of O2(g) is 142.0 kJ/mol. Calculate deltaH°f for O(g). Homework Equations The Attempt at a Solution no clue
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    Help with Identifying the group in ionic compund formulas

    Homework Statement Identify the group to which X belongs in each ionic compound formula. Enter your response using the group number. a) MgX b)XCl2 c) XF2 Homework Equations The Attempt at a Solution The first one I figured out was group 16. However, the next two I thought...
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    ChEM: ground state eltron configuration

    Homework Statement Al3+ N3- Li+ Au+ Sr2+ Mn2+ Tl+ Br - Homework Equations The Attempt at a Solution no clue, the positives and negatives are messing me up
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    Calculating Enthalpy Change in Reactions Using HCl or NaOH - Step-by-Step Guide

    The problem says: Enthalpy is always reported with respect to a reactant. Calculate the enthalpy change, DeltaH, for each reaction in terms of kJ/mol for one of the reactants. (i.e either HCL or NaOH). I had three reactions: 1. NaOH + HCL---->H20 +NaCl 2.NH4Cl +NaOH---->H20 +NH3 +NaCl 3...
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    I with how to do change in enthelpy

    The problem says: Enthalpy is always reported with respect to a reactant. Calculate the enthalpy change, DeltaH, for each reaction in terms of kJ/mol for one of the reactants. (i.e either HCL or NaOH). I had three reactions: 1. NaOH + HCL---->H20 +NaCl 2.NH4Cl +NaOH---->H20 +NH3 +NaCl 3...