I. Describing Properties of Gases <br />
I. Describing Properties of Gases (don’t copy)<br />Objectives:<br />know the relationship between pressure and volume of ...
I. Describing Properties of Gases <br />Four properties are needed to completely describe the state or condition of a samp...
I. Describing Properties of Gases <br />Pressure<br />All gases exert pressure on their surroundings.<br />pressure – forc...
I. Describing Properties of Gases <br />Boyle’s Law<br />P1V1 = P2V2<br />Interpretation<br />describes relationship betwe...
I. Describing Properties of Gases <br />Charles’s Law<br />V1	   =	V2<br />T1		T2<br />Interpretation<br />describes relat...
I. Describing Properties of Gases <br />Gay-Lussac’s Law<br />P1	  =	P2<br />T1		T2<br />Interpretation<br />describes rel...
I. Describing Properties of Gases <br />Avogadro’s Law<br />V1	   =	V2<br />n1		n2<br />n – is the symbol for amount of ga...
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notes 13-1 - I Describing Properties Of Gases

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first section of notes given for ch 13

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notes 13-1 - I Describing Properties Of Gases

  1. 1. I. Describing Properties of Gases <br />
  2. 2. I. Describing Properties of Gases (don’t copy)<br />Objectives:<br />know the relationship between pressure and volume of a gas.<br />know the relationship between temperature and volume of a gas.<br />know the relationship between pressure and temperature of a gas.<br />know the relationship between moles of a gas and volume.<br />
  3. 3. I. Describing Properties of Gases <br />Four properties are needed to completely describe the state or condition of a sample of a gas:<br />pressure <br />temperature <br />volume<br />moles<br />When any one property of a sample of a gas is changed, other properties change in a predictable way.<br />
  4. 4. I. Describing Properties of Gases <br />Pressure<br />All gases exert pressure on their surroundings.<br />pressure – force per unit area<br />Pressure is commonly measured in units of atmospheres (atm), millimeters of mercury (mmHg), and Pascals (Pa). <br />Conversion Factors<br />1 atm = 760 mmHg<br />1 atm = 760 torr<br />1 torr = 1 mmHg<br />1 atm = 101325 Pa<br />1 atm = 14.69 psi<br />
  5. 5. I. Describing Properties of Gases <br />Boyle’s Law<br />P1V1 = P2V2<br />Interpretation<br />describes relationship between pressure and volume <br />pressure and volume are inversely proportional<br />as one increases the other decreases<br />
  6. 6. I. Describing Properties of Gases <br />Charles’s Law<br />V1 = V2<br />T1 T2<br />Interpretation<br />describes relationship between volume and temperature<br />temperature and volume are directly proportional<br />as one increases the other increases<br />
  7. 7. I. Describing Properties of Gases <br />Gay-Lussac’s Law<br />P1 = P2<br />T1 T2<br />Interpretation<br />describes relationship between pressure and temperature<br />pressure and temperature are directly proportional<br />as one increases the other increases<br />
  8. 8. I. Describing Properties of Gases <br />Avogadro’s Law<br />V1 = V2<br />n1 n2<br />n – is the symbol for amount of gas in units of moles<br />Interpretation<br />describes relationship between moles of gas and volume<br />moles and volume are directly proportional<br />as one increases the other increases<br />

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