Reaction 1 Reaction 2 Reaction 3 Step 1: Steps Step 1: Take out 50ml graduated cylinder & foam cup (Glassware Menu). Take out scale (Tools Menu). Move distilled water & solid NaOH (Chemical Stockroom) Take the 0.SM HCI from strong acids cabinet and a foam cup and 50ml graduated cylinder from the glassware menu and place them on the workbench. Take out another graduated cylinder, a fresh foam cup, the 1.0 M HCI and the 1.OM NaOH. Measure 25.0 ml of 1.0 M hydrochloric acid solution into the foam Step 2: cup. Pour an equal volume of 1.0 M sodium Transfer water to foam cup, drag the carboy of water on graduated cylinder. A transfer text bar enter 50.0 ml and click on pour. Procedure to reaction 2 closely related to reaction except that 50.0 ml of 0.5OM hydrochloric acid solution used in place of water. hydroxide solution in the clean graduated cylinder. Step 2: Step 3: After measuring 50.0ml of the HCI solution into the graduated cylinder, proceed as before with step 2 through 4 of the procedure. Record the temperature of each solution to the nearest 0.1C. Pour the sodium Weight 1 gram solid sodium hydroxide pellets, NaOH(s) then record mass nearest 0.01 gram. Place foam cup on balance and click tare button. Drag NaOH onto foam cup. Next, type 1.00 gram then pour. hydroxide solution into the foam cup and record the highest temperature obtained during the reaction. Step 4: Click graduated cylinder, record temperature and drag to foam cup. Enter 50.0 in transfer bar and then click pour. Record the highest temperature. RESULTS Reaction1: First, 25.00 C ph 7.00 then 30.30C ph13.52 Reaction 2: First, 30.30C ph13.52 then 25.00C ph 13.69HCL - then 25.00C ph 13.69 then 30.30C ph 13.83 Reaction 3: HCL 25.00ml ph 0.00 then HCL 25.00ml ph 14.00 25.0 ml of Naoh -25.0 C 25.0MI of Hcl - 25.0C Final Results: 31.7C ph 6.89 1) Reaction Mass of NAOH Moles of NaOH Molar heat of reaction Initial Final Heat temperatur temperatur energy released 1
Reaction 1 Reaction 2 Reaction 3 Step 1: Steps Step 1: Take out 50ml graduated cylinder & foam cup (Glassware Menu). Take out scale (Tools Menu). Move distilled water & solid NaOH (Chemical Stockroom) Take the 0.SM HCI from strong acids cabinet and a foam cup and 50ml graduated cylinder from the glassware menu and place them on the workbench. Take out another graduated cylinder, a fresh foam cup, the 1.0 M HCI and the 1.OM NaOH. Measure 25.0 ml of 1.0 M hydrochloric acid solution into the foam Step 2: cup. Pour an equal volume of 1.0 M sodium Transfer water to foam cup, drag the carboy of water on graduated cylinder. A transfer text bar enter 50.0 ml and click on pour. Procedure to reaction 2 closely related to reaction except that 50.0 ml of 0.5OM hydrochloric acid solution used in place of water. hydroxide solution in the clean graduated cylinder. Step 2: Step 3: After measuring 50.0ml of the HCI solution into the graduated cylinder, proceed as before with step 2 through 4 of the procedure. Record the temperature of each solution to the nearest 0.1C. Pour the sodium Weight 1 gram solid sodium hydroxide pellets, NaOH(s) then record mass nearest 0.01 gram. Place foam cup on balance and click tare button. Drag NaOH onto foam cup. Next, type 1.00 gram then pour. hydroxide solution into the foam cup and record the highest temperature obtained during the reaction. Step 4: Click graduated cylinder, record temperature and drag to foam cup. Enter 50.0 in transfer bar and then click pour. Record the highest temperature. RESULTS Reaction1: First, 25.00 C ph 7.00 then 30.30C ph13.52 Reaction 2: First, 30.30C ph13.52 then 25.00C ph 13.69HCL - then 25.00C ph 13.69 then 30.30C ph 13.83 Reaction 3: HCL 25.00ml ph 0.00 then HCL 25.00ml ph 14.00 25.0 ml of Naoh -25.0 C 25.0MI of Hcl - 25.0C Final Results: 31.7C ph 6.89 1) Reaction Mass of NAOH Moles of NaOH Molar heat of reaction Initial Final Heat temperatur temperatur energy released 1
Chapter31: Introduction To Analytical Separations
Section: Chapter Questions
Problem 31.19QAP
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Transcribed Image Text:Reaction 1
Reaction 2
Reaction 3
Step 1:
Steps
Step 1:
Take out 50ml graduated cylinder & foam cup
(Glassware Menu). Take out scale (Tools
Menu). Move distilled water & solid NaOH
Take the 0.5M HCI from strong acids
cabinet and a foam cup and 50ml
graduated cylinder from the glassware
menu and place them on the workbench.
Take out another graduated cylinder, a
fresh foam cup, the 1.0 M HCI and the 1.0M
NaOH. Measure 25.0 ml of 1.0 M
(Chemical Stockroom)
hydrochloric acid solution into the foam
cup. Pour an equal volume of 1.0 M sodium
hydroxide solution in the clean graduated
cylinder.
Step 2:
Transfer water to foam cup, drag the carboy
of water on graduated cylinder. A transfer
text bar enter 50.0 ml and click on pour.
Procedure to reaction 2 closely related
to reaction except that 50.0 ml of 0.5OM
hydrochloric acid solution used in place
of water.
Step 2:
Step 3:
After measuring 50.0ml of the HCI
solution into the graduated cylinder,
proceed as before with step 2 through 4
of the procedure.
Record the temperature of each solution to
the nearest0.1'C. Pour the sodium
Weight 1 gram solid sodium hydroxide
pellets, NaOH(s) then record mass nearest
0.01 gram. Place foam cup on balance and
click tare button. Drag NaOH onto foam cup.
Next, type 1.00 gram then pour.
hydroxide solution into the foam cup and
record the highest temperature obtained
during the reaction.
Step 4:
Click graduated cylinder, record temperature
and drag to foam cup. Enter 50.0 in transfer
bar and then click pour. Record the highest
temperature.
RESULTS
Reaction1: First, 25.00 C ph 7.00 then 30.30C ph13.52
Reaction 2: First, 30.30C ph13.52 then 25.00C ph 13.69HCL - then 25.00C ph 13.69 then
30.30C ph 13.83
Reaction 3: HCL 25.00ml ph 0.00 then HCL 25.00ml ph 14.00
25.0 ml of Naoh -25.0 C
25.0MI of Hcl - 25.0C
Final Results: 31.7C ph 6.89
1)
Final
Moles of
NaOH
Reaction
Mass of
NaOH
Initial
Molar heat
of reaction
Heat
temperatur temperatur
energy
released
e
1
2
3
2)
Net ionic equations of Reaction 1:
Net ionic equations of Reaction 2:
Net ionic equations of Reaction 3:
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