Question: The reaction between potassium superoxide, KO2, and CO2, 4 KO2 + 2 CO2 2K2CO3 + 3 O2 is used as a source of O2 and

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?
(b) How many grams of KO2 are needed to form 7.50 g of O2?
(c) How many grams of CO2 are used when 7.50 g of O2 are produced?

Observer Lightbulb Frosteid glass

Step by Step Solution

★★★★★

3.43 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

4KO 2 2CO 2 2K 2 CO 3 3O 2 a 040... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

876-E-C-E-S (366).docx

120 KBs Word File

Students Have Also Explored These Related Chemical Engineering Questions!

Potassium superoxide, KO2, is used in rebreathing gas masks to generate oxygen. 4KO2(s) + 2H2O(l ) 4KOH(s) + 3O2(g) If a reaction vessel contains 0.25 mol KO2 and 0.15 mol H2O, what is the limiting...

The complete combustion of octane, C8H18, the main component of gasoline, proceeds as follows: 2 C8H18(l) + 25 O2(g) 16 CO2(g) + 18 H2O(g) (a) How many moles of O2 are needed to burn 1.50 mol of...

a. Many biochemical reactions that occur in cells re-quire relatively high concentrations of potassium ion (K+). The concentration of K+ in muscle cells is about 0.15 M. The concentration of K+ in...

also if you know any helpful chem tips please leave them. The reaction between potassium superoxide, KO2, and CO2, 4KO2+2CO22K2CO3+3O2 How many moles of O2 are produced when 0.300mol of KO2 reacts in...

The reaction between potassium superoxide, KO2. and CO2, 4KO2+2CO22K2CO3+3O2 How many moles of O2 are produced when 0.500mol of KO2 reacts in this fashion? is used as a source of O2 and absorber of...

all parts please The reaction between potassium superoxide, KO2, and CO2, 4KO2+2CO22K2CO3+3O2 is used as a source of O2 and absorber of CO2 in selfcontained breathing equipment used by rescue...

How many grams of CO2 are used when 8.50g of O2 are produced? Express your answer in grams to three significant figures. The reaction between potassium superoxide, KO2, and CO2, 4KO2+2CO22K2CO3+3O2...

Case Study: SO2 Removal from Power Plant Stack Gases I. Introduction Numerous inventories of the world's energy reserves have shown that coal is the most abundant practical source of energy for the...

08 Question (1 point) Potassium superoxide, KO2, reacts with carbon dioxide to form potassium carbonate and oxygen: 4KO2+2CO22K2CO3+3O2 1st attempt This reaction makes potassium superoxide useful in...

The reaction of potassium superoxide, KO 2 , is used in life-support systems to replace CO 2 (g) in expired air with O 2 (g). The unbalanced chemical equation for the reaction is given below. KO 2...

The following items and amounts were taken from Cullumber Inc.'s 2025 income statement and balance sheet. Cash Retained earnings Cost of goods sold Salaries and wages expense Prepaid insurance...

Department of Information, Operations and Management Sciences Supply Chain Management and Purchasing B2 Case study 1: Inventory management: EOQ and SS Part 1 You are hired by a company to help...

Robert Tolliver is the bookkeeper for Hayes Department Store, a small retail clothing department store with over 6 0 % of its transactions sold on account. Tolliver is the only employee in the...

Considering the example in Section 15.2.2, which is correct and most complete? a. X'X = 5 25 25 135 b. Best is a 2 x 2 matrix. c. Best [22 34]' minimizes the sum of squares error. d. An optimization...

Silicon is produced for the chemical and electronics industries by the following reactions. Give the balanced equation for each reaction. Electric a. SiO2(s) + C(s) Si2(s) + CO(g) arc furnace b....

Give the balanced equation for each of the following chemical reactions. a. Glucose (C6H12O6) reacts with oxygen gas to produce gaseous carbon dioxide and water vapor. b. Solid iron(III) sulfide...

Give the balanced equation for each of the following. a. The combustion of ethanol (C2H5OH) forms carbon dioxide and water vapor. A combustion reaction refers to a reaction of a substance with oxygen...

Using the Auto Save option will preserve your Undo history every time Auto Save happens. true false

FUTURES PROBLEM Today (i.e., day 0), the settlement (or closing) price on a Chicago Mercantile Exchange (CME) British pound futures contract is $1.8578/. Suppose in the next two days (i.e., days 1...

9.3-11 Construct a confidence interval for ud the mean of the differences d for the population of paired data. Assume that the population of paired differences is normally distributed. A test of...