Chem 1LD Procedures with correct answers 100% 2026
Chem 1LD Procedures with correct answers 100% 2026 Freezing Point: Step 1 - Correct Answer Connect temp. probe to LQ3. Make mode = "time based" , duration= 6 min, Rate samples/min= 6 Freezing Point: Step 2 - Correct Answer Make 2 400mL beaker water baths: 1.) One on hotplate (60-70C) and clamp thermometer (shouldn't be touching) and water level above 200mL 2.) One room temp. (have ice ready) Freezing Point: Step 3 - Correct Answer Weigh out 5g menthol and add to diff. large test tube w/ spatula Freezing Point: Step 4 - Correct Answer Put test tubes in 60-70C water bath to melt menthol. After fully melted take out and wait 2 minutes Freezing Point: Step 5 - Correct Answer Add temp. probe in menthol, press PLAY, then put into half-ice/water beaker Freezing Point: Step 6 - Correct Answer Vigorously move probe up and down and stop when resistance is felt. Stop data collection when tail is seem on graph. Freezing Point: Step 7 - Correct Answer Tap start of "flat" part and end to find start/end temps then take average for freezing point Freezing Point: Step 8 - Correct Answer Calculate molar mass MP: Step 1 - Correct Answer Set up Digitmelt settings: start temp=25C, end temp=150C, and ramp rate=10C/min. Press Start/stop to prepare MP: Step 2 - Correct Answer Put 2-3mm of solid into capillary tube (use tube tapper if needed) then put into Digimelt MP: Step 3 - Correct Answer Observe and record when it starts/ends melting, and the average. TLC: Step 1 - Correct Answer Create TLC chamber with spotters, filter paper, and plate TLC: Step 2 - Correct Answer Grab ~2mL of analyte and ~30mL of heptane and ethyl ac
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freezing point step 1 correct answer connect t
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