How many grams of KO2 are needed to form 6.0g of O2? 3.1: The reaction between reactant A (blue spheres) and reactant B (red ... Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Cat... 3.2: The following diagram shows the combination reaction between hydrog... 3.3: The following diagram represents the collection of elements formed ... 3.4: The following diagram represents the collection of CO2 and H2O mole... 3.5: Glycine, an amino acid used by organisms to make proteins, is repre... 3.7: Nitrogen 1N22 and hydrogen 1H22 react to form ammonia 1NH32. Reacts with water, acids, mono-and carbon dioxide, ozone, potassium, ammonia. (a) How many moles of O2 are produced when 0.400 mol of KO2 reacts in this fashion? (c) How many grams of CO2 are used when 7.50 g of O2 are produced? What is the minimum viable ecological pyramid a terrafoming project would introduce to world with no life to make it suitable for humans? The reaction between potassium superoxide, KO2, and CO2, 4 KO2 + 2 CO2 2K2CO3 + 3 O2 is used as a source of O2 and absorber of CO2 in self-contained breathing equipment used by rescue workers. (a) How many moles of O2 are produced when 0.400 mol of KO2 reacts in this fashion? Should recorded lectures be provided for students when teaching a math course online? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Instantly transforming any pickup, SUV (or even CUV) into a capable off-roader, the KO2 lays down performance all year long over any driving condition—even in rain and snow. Also, K2O is perfectly stable by itself (though it would surely react with CO2, given a chance). Also, K2O is perfectly stable by itself (though it would surely react with CO2, given a chance). Now, this potassium peroxide reacts with carbon dioxide to form potassium carbonate and oxygen. It only takes a minute to sign up. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. (Here), $$\ce{4KO2 + 4CO2 + 2H2O → 4KHCO3 + 3O2}$$. How much KO2 is needed to react with 75.0 L of carbon dioxide at STP? Potassium superoxide, KO2, reacts with carbon dioxide to form potassium carbonate and oxygen: This reaction makes potassium superoxide useful in a self-contained breathing apparatus. It removes carbon dioxide and water from exhaled air. R = 0.08206 L atm K-1 mol-1. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. What mass of CO2 can be removed by 123 g of KO2? KO2 is used in a closed-system breathing apparatus. This full solution covers the following key subjects: used, grams, produced, potassium, Fashion. This expansive textbook survival guide covers 305 chapters, and 6351 solutions. (a) How many moles of O2 are produced when 0.400 mol of KO2 reacts in this fashion? 2) How many grams of CO2 are used when 6.0g of O2 are produced? Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. 7E: Visualizing ConceptsA friend studies a first-order reaction and obt... 111: The average concentration of gold in seawater is 100 fM (femtomolar... 5E: Why does silicon exhibit less diversity of compounds than carbon does? Thus, 0.234375 moles of O2 are formed by 4 * 0.234375 / 3 = 0.3125 moles of KO2. Making statements based on opinion; back them up with references or personal experience. Only problem is, is the first step possible? N... 5RE: Comparing BMI The body mass indices (BMI) of a sample of males have... Chapter 1.4: Elementary Statistics | 12th Edition, Chapter 1.1: Calculus: Early Transcendentals | 1st Edition, William L. Briggs, Lyle Cochran, Bernard Gillett, Chapter 6: University Physics | 13th Edition, Chapter 4: Introductory Chemistry | 5th Edition, Chapter 18: Conceptual Physics | 12th Edition, Chapter 8: University Physics | 13th Edition, 2901 Step-by-step solutions solved by professors and subject experts, Get 24/7 help from StudySoup virtual teaching assistants. Сoding to search: 4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2. To learn more, see our tips on writing great answers. For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. Did the original Star Trek series ever tackle slavery as a theme in one of its episodes? Potassium superoxide is used as a CO 2 scrubber, H 2O dehumidifier and O 2 generator in rebreathers, spacecraft, submarines and spacesuit life support systems. In many cases a … Where does Oxygen come from in KO2 reaction with CO2? This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 13. MathJax reference. Doesn't potassium oxide react violently with water? Did people wear collars with a castellated hem? It is a rare example of a stable salt of the superoxide anion. Number of moles in 7.50 g of O2 = 7.50 / 32 = 0.234375. sed command – sed 's/test/toast/' – not replacing all 'test' in file, How to make my own professional book step-by-step( there is a course or a book that I didn't find?). site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. It is a strong oxidizing agent. Understanding the mechanics of a satyr's Mirthful Leaps trait. $\endgroup$ – Nilay Ghosh Jun 22 at 3:24 How many moles of O2 are produced when 0.475mol of KO2 reacts in this fashion? n = PV/RT = 1 atm * 75.0 L / 0.08206 L atm K-1 mol-1 * 273 K = 3.35 mol.