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Combined Gas Law putting it all together!

Combined Gas Law putting it all together!. Combined Gas Law. P 1 V 1 = P 2 V 2. T 1. T 2. f or a fixed amount (# moles) of gas. Combined Gas Law. g iven 5 of 6 variables, can identify 6 th i f a variable is constant, just ignore it P 1 V 1 = P 2 V 2

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Combined Gas Law putting it all together!

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  1. Combined Gas Law putting it all together!

  2. Combined Gas Law P1V1 = P2V2 T1 T2 for a fixed amount (# moles) of gas

  3. Combined Gas Law • given 5 of 6 variables, can identify 6th • if a variable is constant, just ignore it P1V1 = P2V2 T1 T2

  4. Avogadro’s Hypothesis equal volumes of gases at same T and P contain equal # of particles 6.02 x 1023 particles

  5. Molar Volume reminder: 1 mole of any gas at STP occupies 22.4 L/mol

  6. 3 containers – same size, same T, same P, 1mole gas Box B N2 Box A He Box C CH4 What can you say about # ofmoleculesin each box? # molecules is the same in each box (1 mole each substance) What can you say about # ofatomsin each box? B = 2 x A ; C = 5 x A

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