postlab11 - Sam Eichenblatt Lab 11 Chem 1310 A2 Alexis...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Sam Eichenblatt Lab 11 Chem 1310 A2 PART A: CALCULATION OF THE HEAT CAPACIT Alexis Wilson Trial 1: Trial 2: Average: Initial Temperature 20C 22C Standard Deviation: Temperature of the Hot Water 71C 85C Final Temperature 45C 51C Change in Temperature 25, and 26 29, and -34 Heat Capacity (J/C) 8.37 36.06 Heat Capacity example: -4.184j/gC*50g*-26C (or *-34C)=4.184j/gC*50g*25C(or *29C)+Ccal*25C(or*29C) PART B: HEATS OF REACTIO Mass of Magnesium: 0.149g Times(s) Temperature ( C) Moles of Mg 0.006moles 0 21 Concentration of HCl 1M 60 28 Volume of HCl 100mL 120 28 Moles of HCl 0.1moles 180 28.5 Initial Temperature 21C 240 28 Final Temperature 27.5C 300 28 Change in Temperature 6.5C 360 28 Limiting Reagent Mg .006 moles 420 28 deltaHrxn (KJ/mol) -477.33KJ/mol 480 28 540 27.5 600 27.5 660 27.5 Mass of Magnesium Oxide: 0.701g Times (s) Temperature ( C) Moles of MgO 0.0174mol 0 22 Concentration of HCl 1M 60 27 Volume of HCl 100mL 120 28 Moles of HCl .1 moles 180 28 Initial temperature 22 C 240 28 Final Temperature
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

postlab11 - Sam Eichenblatt Lab 11 Chem 1310 A2 Alexis...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online