4. Manganese reacts with hydrochloric acid to produce manganese(II) chloride and hydrogen gas: Mn(s) + 2HCI(I) → MnCl2(a

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4 Manganese Reacts With Hydrochloric Acid To Produce Manganese Ii Chloride And Hydrogen Gas Mn S 2hci I Mncl2 A 1 (125.88 KiB) Viewed 76 times

4. Manganese reacts with hydrochloric acid to produce manganese(II) chloride and hydrogen gas: Mn(s) + 2HCI(I) → MnCl2(aq) + H2(g) When 0.625 g of Mn is combined with enough hydrochloric acid to make 100.0 mL of solution in a coffee-cup calorimeter, all of the Mn reacts, raising the temperature of the solution from 23.5°C to 28.8°C. Find the AHxn for the reaction as written. (Assume that the specific heat capacity of the solution is 4.18 J/g °C and the density is 1.00 g/mL.) A) -195 kJ C) -3.54 kJ B) -1.22 kJ D) -2.21 kJ Mala react in the nresence