Before Bell Rings Grab paper from side table Turn in P vs

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Before Bell Rings Grab paper from side table Turn in P vs Before Bell Rings Grab paper from side table Turn in P vs.T lab on front table Have your Boyle’s Law WS out for me to check

Plan for Today Entry Task Charles's Law – T and V relationship n vs V Vacuum Chamber Demo Work Time

Moles + Stoic Test If you need to take/complete the test from last unit, come by this week during PH, before, or after school.

ETD 42 A ball at room temperature (25.0C) contains hydrogen gas at 10.0 atm. If the ball is carried outside to where the temperature is –20.0C, what will the new pressure be? A 1.2 liter tank of oxygen gas is at a pressure of 30.0 atm. What volume of oxygen will be available if the oxygen is used at the normal atmospheric pressure of 1.0 atm?

ETD 42ANS A ball at room temperature (25.0C) contains hydrogen gas at 10.0 atm. If the ball is carried outside to where the temperature is –20.0C, what will the new pressure be?

ETD 42ANS P1/T1=P2/T2 P1= 10.0 atm T1=25.0 C = 298.0 K P2= ? Atm A ball at room temperature (25.0C) contains hydrogen gas at 10.0 atm. If the ball is carried outside to where the temperature is –20.0C, what will the new pressure be? P1/T1=P2/T2 P1= 10.0 atm T1=25.0 C = 298.0 K P2= ? Atm T2= -20.0 C = 253.0 K 10.0atm/298.0 K= x atm/253.0 K =8.49atm

ETD 42ANS A 1.2 liter tank of oxygen gas is at a pressure of 30.0 atm. What volume of oxygen will be available if the oxygen is used at the normal atmospheric pressure of 1.0 atm?

ETD 42ANS P1*V1 = P2*V2 P1= 30.0atm V1= 1.2 L P2=1.0atm V2=? L A 1.2 liter tank of oxygen gas is at a pressure of 30.0 atm. What volume of oxygen will be available if the oxygen is used at the normal atmospheric pressure of 1.0 atm? P1*V1 = P2*V2 P1= 30.0atm V1= 1.2 L P2=1.0atm V2=? L (30.0 atm)*(1.2 L)=(1.0 atm)(x L) =36 L

Learning Targets I can describe the relationship between T and V. I can use Boyle’s, Gay Lussac’s, and Charles’ Laws to solve word problems.

Charles’ Law Describes the relationship between T and V Pressure and amount of gas stay the same What kind of relationship? Inverse or Direct

Charles’ Law V1/T1=V2/T2 Temperature has to be in what units?

Charles’ Law Example A sample of gas measures 1.50 liters at 0˚C. At what temperature will its volume become 4.50 liters, assuming pressure remains constant?

Charles’ Law Example A sample of gas measures 1.50 liters at 0˚C. At what temperature will its volume become 4.50 liters, assuming pressure remains constant?

VERY IMPORTANT !!! Memorize these: Law name Equation Relationship Graph Boyle P1*V1=P2*V2 Inverse Gay Lussac P1/T1=P2/T2 Direct Charles V1/T1=V2/T2

Relationship between Moles and Volume What kind of relationship between moles and volume? Direct or Inverse?

Vacuum Chamber demo Peeps Balloon

Vacuum Chamber demo What will happen when I put the flask from last class into the chamber? Why?

Learning Targets I can describe the relationship between T and V. I can use Boyle’s, Gay Lussac’s, and Charles’ Laws to solve word problems.

Homework Boyle’s, Gay Lussac’s, and Charles’ Law WS Due Class after next VERY IMPORTANT– Bring an empty aluminum pop can to next class if you didn’t today!!