#55 4) Gliven the following seto of values for theegasvariables, calculate the unkaown quanty.a. P-782.4mm Ha, V=?T= 26.2b.P=? mm H; V=2?.5 mL;n=.00781 2 mol; T=ll6.6C. P=1.045artm; V=45.2mLin.002241 mol, T=?C33. What mass of heliuma 100.0Lto 255 atm at 25s s needed to pressurizeWhat mass ofOxygen ges wouldnetaid to pressunize a Bimilar tank to the ame Specificortion?of2.79gNe in an evocuated 1.04-L container ot 25°C, what will be thea gaseaus mixtue is made of 2. 41g of He ondparnal pessure of euch gus ancd the total prtssue fn te container?13.) A 500-mL Sample of O2 ges at 24 was pupuccel bydicomposing a 3% aqueous Bolution ef hydrogen peroxicle, H2Oz+the presence of a small amournt of magunese cataliyst byte realfror2Hz Blg) +Ozlg}Thethus prepered was collecteel by displacemint of water, The toLgos eollected weas 75Smm Hy whet is the partial pessuce o02 in the mixtuce? How mony mes of Oz are in the mirhice?pessud of(The vapor pessuce of water at 24 is 23mm Ha)

In this question ( #55 ) we want to determine the mass of He and O2 gas. You can see details…

4) Gliven the following seto of values for thee gas. variables, calaulate the unkaown quantty: La. P-782.4 mm. Hg, V=? Mm #3; V=27.5mLin=.007812 mol; TElb.6 C. P= 1.045artm; V=45.2mLin=- 002241 mol, T= T= 26.2°6 b. P=? ) What mass of helium ans is needed to pressurize a 100.0L tank to 255 atm at 25° What mass of xygen ges would tank to te same špecificartion? yas necdid -to a similar pressunize 67.) # a gaseaus 2.79g of mixture is macle of 2.41a of He and 2. Ne in an evacuated 1.04-L container ot 25°C, what will be the parial pressure of euch gus and the tutal pressue in te container?

4) Gliven the following seto of values for thee gas. variables, calaulate the unkaown quantty: La. P-782.4 mm. Hg, V=? Mm #3; V=27.5mLin=.007812 mol; TElb.6 C. P= 1.045artm; V=45.2mLin=- 002241 mol, T= T= 26.2°6 b. P=? ) What mass of helium ans is needed to pressurize a 100.0L tank to 255 atm at 25° What mass of xygen ges would tank to te same špecificartion? yas necdid -to a similar pressunize 67.) # a gaseaus 2.79g of mixture is macle of 2.41a of He and 2. Ne in an evacuated 1.04-L container ot 25°C, what will be the parial pressure of euch gus and the tutal pressue in te container?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Given the balanced reaction between salicylic acid (C7H603) and acetic anhydride (C4H603) to produce ASA or acetylsalicylic acid (C9H804) and acetic acid (C2H402), the following experimental materials are provided: 5.00 g of pure salicylic acid, 7.14 g of acetic anhydride and 8 drops concentrated sulfuric acid as catalyst. After successful synthesis, the group was able to collect 5.25 grams of acetylsalicylic acid. (Atomic weights: C= 12 amu; H = 1 amu; O= 16 amu; density acetic anhydride = 1.08 g/mL). What is the THEORETICAL yield of ASA in the experiment? O 2.17 g O 6.52 g O 12.60 g O 13.34 g O None of the above
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