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Q.1) Average initail temperature of acid and NaOH (C) Q.2) Temperature change \\

ID: 517419 • Letter: Q

Question

Q.1) Average initail temperature of acid and NaOH (C)

Q.2) Temperature change Delta T (C)

Q.3) Volume of final Mixture (mL)

Q.4)Mass of final mixture (g) assume the density of solution is 1.0 g/mL

Specific heat of mixture 4.18 J/gcdotC

Q.6) Heat evolved (J)

For trial 1 & 2

B. py (Heat of Neutralization for an Acid-Base Reaction HNO3 HCI NaOH. Trial 1 Trial 2 Trial 1 50 ml so ml 1. Volume of acid (mL) 24 C 24 2. Temperature of acid (C) 50 m S 0 ml 3. Volume of NaOH (mL) 23.5 C 4. Temperature of NaOH (°C) 5. Exact molar concentration of NaOH (mol/L) 30 Soc 6. Maximum temperature from graph (oC) 7. Instructor's approv Trial 1 Trial 2 Calculations for Enth T ase Reaction p Time Temp Time Temp 1. Average initial tem 10 24% /o 20 30% 21 2. Tempera hange 30°C 30 24.5 C s 30 256 PIC. COLLAGE

Explanation / Answer

1) Average initail temperature of acid and NaOH (C) = ( 29 + 28.5 )/ 2 = 28.75

2) No temperature change..for two trials

3) Volume of final Mixture (mL) = 50 mL