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When a 2.76g (0.0200 mol) K2CO3 was mixed with 30.0 mL of approximately 2M HCl, the...

When a 2.76g (0.0200 mol) K2CO3 was mixed with 30.0 mL of approximately 2M HCl, the temperature rose by 5.2oC

Calculate the enthalpy change of this reaction per mole of K2CO3. Assume that the specific heat of tyhe final mixture is 4.184 J/goC and that its density is 1.00g/mL

Please explain how do you do the enthalpy change part and how do you use the formula to find the change.

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Answer #1

Mass of R2co, = 9.768 10:02 mol) Molarity of Hd=2M volume of l = 30ml mass & solution 30 ml x 1.0g/me specitic heat of mixtur

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