University:
Colgate University
Course:
CHEM 101 | General Chemistry I
Academic year:

2020
Views:

20

Pages:

2
Author:

Angelica Lam

Name Isey Date Period GAS STOICHIOMETRY WORKSHEET Please answer the following using proper units and showing all dimensional analysis. Please note that these problems require a balanced chemical equation. 1. Carbon monoxide reacts with oxygen to produce carbon dioxide. Answer the following questions for the reaction of 1.0 L of carbon monoxide and oxygen at STP. a. Write the balanced equation. angle 0 + O_{2} -> 2C*O_{2} b. How many liters of oxygen are required to react? L CO* Imol 60 22.4 L * Imol O 2 2molCO * 22.4L Imol =0.50L O 2 c. How many liters of carbon dioxide are produced? 1.OL COx Imol CO2mol(chx 22.9ㄴ(= 1.00C02 22.42 2 mol CO R mol COL 2. Acetylene gas \{C_{2}*H_{2}\} undergoes combustion to produce carbon dioxide and water vapor. a. Write the balanced equation. 2 ( C_{2}*H_{L} + 5O_{2} -> 2G*O_{2} 2GO 2 +H L O - ) 2C_{2}*H_{2} + 5O_{L} 4(CO 2 +2H 2 O b. How many liters of C_{2}*H_{2} are required to produce 75.0 L of C*O_{2} ? Imel (02x Zuid Catz x 22.4L(2t2 = 37.SOL 2 75.0L CO₂X 22.4LCO 4mol Cor Inol H2 c. What volume of H2O is produced? thomol H2 22.4L Xmolepth 22.4600 37.SOL HLU 1mol H20 75.0L CO d. What volume of O2 is required? 305202x Imolate (o 5 mol02 75.006002 22.4L 20 4 22.4LOL 이는 15일 = 93,75202 3. If liquid carbon disulfide (C*S_{2}) reacts with 450 ml of oxygen to produce the gases carbon dioxide and sulfur dioxide, what volume of each product is produced? 45OaL = 0.45L a. Write the balanced equation? CS 12 +30 L -> C*O_{L} + 2S*O_{L} b. What volume of carbon dioxide is produced? 22.4L K Imol CO2 x 2.2.4LCO₂ = 0.15 L COL 30102 X Imol CO2 c. What volume of sulfur dioxide is produced? 045202x Imel 02. 2244 2m01502 3m6102 22.41502 = 0.30LSO 4. Assume that 5.60 L of hydrogen gas at STP reacts with copper (II) oxide according to the following balanced equation: CuO (s) + H₂ (g) → Cu (s) +H₂O (g) a. How many moles of H₂ react? 5.GOL H₂x 1 mol H2 = 0.25 molHz 22.4 b. What volume of water vapor is produced? 0.25 mol thx Imolth0x22.4L205.602 H20 Imolta Imol 120 5. Assume that 8.5 L of iodine gas (1) are produced at STP according to the following balanced equation: 2 KI (aq) Cl, (g) → 2 KCl (aq) + (B) a. How many moles of 12 are produced? 8:52 12 x 1molz 22.4L = 0,38 mol Iz b. How many grams of Kl were used? Be careful KI is not a gas in this case! 0.38 molI2x 2mel KI I mol Iz 166= KI I mol KI 125.98 Challenge! Challenge! Challenge!: If air is 20.9% oxygen by volume, a. How many liters of air are needed to complete the combustion of 25.0 L of octane vapor (C₂H₂ at STP? "2(CoHir0 800₂ +9420) 208 Hir 250216 CO₂ +18 H2.0 25.CL C&His x mollyx 25mo102 x 22.4L03x100 Lar = 1495 L air 22.4L Coth 2 mol this Imol O2 20.9202 b. What volume of each product is produced? 25.0L & Higa Imal Colts 8 mol CO2 92 X 22.4LC02 100L 22.4Lgthy 2 mol (81/8 Imbly Imol CO2 25.UL Cotigx Imol (18 x 9m1t60 x 22.4L 22.42 (878 2 mol (pity Irmel 20 = 112.5L0.

Gas Stoichiometry Worksheet

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