Before Bell Rings Grab two papers from side table 1 person from groups 1-7 log into a computer at your lab station Have your HW out for me to check.

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Before Bell Rings Grab two papers from side table 1 person from groups 1-7 log into a computer at your lab station Have your HW out for me to check

Plan for Today Entry Task. Boyle’s Law Lab.

ETD#39 A. Draw and explain what pressure is and measures? B. The local atmospheric pressure is 692 mm Hg according to my barometer. What is the pressure in: Atms kPa psi

ETD#39 ANS A. Draw and explain what pressure is and measures?

ETD#39 ANS B. The local atmospheric pressure is 692 mm Hg according to my barometer. What is the pressure in: Atms kPa psi

Learning Targets I can describe the relationship between volume and pressure.

Notebook Check Checking entries 16-30 3 Points for each entry 1 for having the entry task number 1 for having the question written down 1 for having an answer written down Self grade, putting your score out of 3 at the top of each entry Also put the total out of 45 on the front page of your notebook. Due class after next

Direct vs. Inverse Relationships Relationships between two variables can be direct or inverse. Direct relationship One goes up, the other goes up Represented by one variable divided by the other = constant (k) Inverse Relationship One goes up, the other goes down Represented by the variables multiplied together = constant (k)

Boyle’s Law experiment with Syringes

Follow the Directions They are very clear Pressure Sensor($70) P sensor into CH1 ClickFileOpen Chemistry with Vernier  06 Boyle’s Law Hand Draw Graphs DON’T ADD .8 TO YOUR VOLUME Start Syringe at 5 mL then Connect Creates a Closed System Do Not Open the Syringe Between Trials

Boyle’s Law Syringe Lab 1. Determine the relationship between P and V 2. Get the following data. 2. Determine the mathematical relationship for P vs.V Volume (in mL) Pressure ( in kPa) P/V= k P∙V = k 5.0 7.0 9.0 11.0 13.0 15.0 17.0 19.0 Boyle’s Law Lab: On Lab Sheet 1. Answer all question + show all calculations 2. Hand Draw Graph, Label, and 3. Explain what it shows.

Learning Targets I can describe the relationship between volume and pressure.

Homework Boyle’s Law Lab -- Due Class after next Notebook Check – Due class after next.