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U8 Test Review . . General topics to understand: 1. The gas laws 5. What is the ideal gas constant and when do you Boyle's law use it? Charles Law 6. Moles → grams and vice versa Gay-Lussac's Law 7. General properties of gases Combined Gas Law What is Pressure? Ideal Gas Law 9. Kinetic Molecular Theory 2. STP values (latm, 273K) and units for Pressure • Know the assumptions (atm, kPa, torr, men Hg psi). Temp (Celsius vs. • Know what conditions these ideal gases Kelvin), and volume (L)) break down (behave like real gases) 3) Apply Significant Figure Rules 10 Labs: XMT Can Crush, Micromole Rocket Lab 4. Convert between Kand "C, kPadam mmlis Know the purpose and concepts Practice For the following relationships, be able to 11 Draw the graph of the relationship. 2) Write the formula for the relationship, 3) Be able to determine if the relationship is inverse or directly proportional Pressure vs. Volume b. Pressure vs. Temp Volume vs. Temp Boys fan Charles la Gay us Schlo redirect direct direct Ifa gas has a constant pressure, what will happen to the volume if I double the temperature? The volume will inrentes, ausis to gaytus slowl. 3. Ifa gas has a constant volume, what will happen to the temperaturg if the pressure is halved? The volume should trecege, akording & Boyle's law, * What would happen to the temperature if the pressure was doubled and the volume was halved? The topertine would rear the sine x2/2. 5. Ilagas has a constant temperature what happens to the pressure if the volume is doublest? The pressure cold the What would happen to the pressure of a gas if both the temperature and volume were doubled? The prere would rent the ne A 3.00. Sample of KCIO is decomposed and the case at 24.0°C and 0.982 mis collected What volume of oxygen gas will be collected? 2 KCIO, 230, -240=21tk Rom 33 Piece 10 TE019- 00-24.0-63 SA 'helium balloon has a volume of 2.30 Lat 235 cd a pressure of 1.00am at sea level The balloons released and floats upward. At a certain height the atmospheric pressure is 0810 am and the temperature is 120'C Calculate the volume of the balloon 10.95 X What volume of chlorine as measured at STP is necessary for the complete reaction 4.81 of sodium metal 2 NaCl → 2N (275) 2105 pvent (2.) = n(686)2965k) 2 (o5l0-56(0-03 V=305,48
10.1754 g of propane completely combusts with excess oxygen to form carbon dioxide and water, what pressure would the carbon dioxide be at if 758 mL is produced at 35°C? n= 5.99 v=75851 Re Dosa 2ook 50 73006 4HQ C Tholcot yung 20.782 P212am 13.050 L of oxygen gas (O:) reacts with 468 Col methane (CH) at STP, how many moles of carbon dioxide will form? What is the limiting reactant? CH. +20.02H30 To what temperature must a sample of nitrogen gas at 27°C and 480 mm Higbe taken to so that its pressure becomes 860 mm Hg 273 = 2730222 3578 X=17 13. A student forms 0.862L of Higas for the micromole rocket lab. How many mL of 15 MHC sey start with? 2HCI ZHZn (780) = (a) 14. A balloon filled with helium gas has a volume of 500 ml. at standard atmospheric pressure. It is released and reaches an altitude where the pressure is 0.5 atm. What volume does the gas occupy? 15. A gas has an initial temperature of 673 'Cand a volume of 35.1 After raising the temperature to 832' what will the volume of the gas be Piu = P212 (soon) (+) = (y) 857 (3422)35-1)+(3/L-2)() *=39.53 16. Oxygen gas is collected at a pressure of 123 kPin a container which has a volume of 100 L. What temperature must be maintained on 0500 moles of this gas in order to maintain this pressure Express the temperature in degrees Celsius 250. 1. dr hydrogen gas has a temperatúre of 68.4C and a pressure of 105 & kul if the temperature of the gas slowered to: 256 'C resulting the pressure decreasing to 1032 kPa, what will the resulting volume of the as be? 15] 327 V22 18. How many moles of chlorine gas would occupy a volume of 35 SL at a pressure of 100.0 kPa and a temperature of 100.C? Aer determining the number of moles, calculate the number of grams of chlorine contained in this container 14925 (250)( 74 1.41 (108.41 = u(258) (103. ()u258 (35.564 cookies) -(8.31) (373) na (153)(500L) zn (0.08206) 10.4) no ostalim 19. How many moles of nitrogen gasare present in 500 L of gas at a temperature of 87 4 "Cand a pressure of 1.53 atm? What is the mass of the gas? What is the density of the pas in sper (R/37 n = 25 87259 20. A student obres how volume affects pressure starting with the air in a 150 ml syringe at STP. How many molgs of gas are in the singel h = o obla VEDOR LV-1015 n2