CHEMICAL FUNDAMENTAL CHEM 1001
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This 3 page Class Notes was uploaded by Malcolm Glover on Tuesday October 13, 2015. The Class Notes belongs to CHEM 1001 at Louisiana State University taught by L. Marzilli in Fall. Since its upload, it has received 39 views. For similar materials see /class/223103/chem-1001-louisiana-state-university in Chemistry at Louisiana State University.
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Date Created: 10/13/15
The volume of 900 grams ofwater vapor at STP is 112 L T E 224L is the volume of mole of gas at STP mole ofwater weighs 18 g As you increase temperature you increase the average energy of gas particles l Pill F For all gas law calculations the temperature must be in Kelvin One mole ofF2 gas at STP would take up twice the volume of one mole ofAr gas at STP doesn t make a difference ofhow many atoms in the gas A gas ma not behave ideally under conditions of low pressure or high temperature 0 Grams to moles ifin doubt change to moles All of the following statements are consistent with the kinetic molecular theory of gases EXCEPT The size of the gas molecules is negligible compared to the total volume of the gas The average kinetic energy of the molecules ofa gas is proportional to the temperature of the gas in kelvins The gas molecules collide with each other and with the surfaces around them rvqmyu 11m used Aballoon filled with 0500 L of air at sea level is submerged in the water to a depth that produces a pressure of 325 atm What is the volume of the balloon at this depth JIM S Al L mgi N13 W To solve problems using Charles s Law which mathematical equation should be used What is the final volume ofa balloon that was initially 5000 mL at 25C and was then heated to 50C A pressure of76 cm Hg is equal to a pressure of 1 atm quotl PM L Except if ou use the ideal gas law T must be in Kelvin for all gas law calculations A gas is most likely to behave ideally under conditions of low pressure or high temperature 13th Which of the followin eu i39 ww quot l ations not balanced is a combustion reaction moles of sulfuric acid to neutralize moles of aluminum hydroxide After balancing the equation Fe203AlgtA1203Fe the correct coefficients are ll l 1 What is the molecular formula of a compound that analyzes to 522C348O and 13ll and weigh 46 gmol Which of the followin contains the greatest number of atoms A yl f 5 A sample of oxygen gas 02 that contains Avogadro s number of atoms has a mass of l 5 Which statement is correct about one mole of ammonia NH3 It contains 14 g nitrogen and 3 g hydrogen It contains 602 x 10quot23 molecules It contains 18 x 10quot24 atoms of hydrogen 5 1 A compound was formed when 136 g of sulfur combined with 302 grams of chlorine as The ratio of S to C1 in this compound is best given by 1 In the ation N2202gt2N02 14 g of nitrogen will react with g of oxygen What is the molecular formula ofa small compound containing 875 N and 125 What is the percent yield for a given process if 40 kg ofa product is recovered from a reaction whose theoretical yield is 56 Pressure is defined as STP conditions stand for 1 atm ifeual to J i 4 A gas sample occupies a volume of 8L at 20C The temperature at which the gas would double its volume is A gas is compressed at constant temperature from 54 L to 60L If the initial pressure was 060 atm calculate the final pressure For an ideal gas which pairs of the variables below are inversely proportional to each other assuming all other variables are kept constant r r At STP what volume in liters will 301 X 10quot23 molecules of carbon dioxide gas occupy 112
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