KO2 is used in a closed-system breathing apparatus. It removes carbon dioxide and water from exhaled air. The reaction for the removal of water is: KO2 + H2O O2 + KOH. The KOH produced is used to remove carbon dioxide by the following reaction: KOH + CO2 KHCO3. a. What mass of KO2 produces 235 g of O2? b. What mass of CO2 can be removed by 123 g of KO2?

Q: The overall reaction for the production for ammonium nitrate is N2+3H2+2O2->NH4NO3+H2O What mass…

A: 1.00 kg of H2 along with N2 and O2 that produces NH4NO3 and H2O.

Q: 1. Complete combustion of ethane yields carbon dioxide and water: C2H2 + O2 - co2 + a. What mass of…

A:

Q: 1. Complete combustion of ethane yields carbon dioxide and water: C2H2 + O2 - CO2 + a. What mass of…

A:

Q: Consider the balanced reaction of magnesium and oxygen. 2Mg+O2⟶2MgO2Mg+O2⟶2MgO What mass, in grams,…

A: Given: mass of Mg = 1.89 g mass of O2 = 2.07 g molar mass of Mg = 24.305 g/mol molar mass of O2 =…

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+O2⟶2MgO What mass, in…

A: Given, mass of O2 = 2.81 g Mass of Mg = 1.51 g Molar mass of MgO = 40.3 g/mol Molar mass of Mg =…

Q: 1)How many outer-shell electrons do each of the atoms have? Rn Ga C

A: Since we are entitled to answer up to 1 question, we’ll answer the first question as you have not…

Q: Consider the reaction below used in the production of Lead (Pb). In a reaction utilizing 57.33g, PbO…

A: Given reaction:         2PbO + PbS —> 3Pb + SO2 amount of PbO given = 57.33 g Moles of PbO in…

Q: A)What mass of ammonia gas can be produced from a reaction between 565.0g H2 and 880.0g of N2…

A:

Q: Sulfuric acid can be manufactured using the reaction: 2 S(s) + 3 02(g) + 2 H2O(1) → 2 H2SO.(aq) If a…

A:

Q: What mass of H2SO4 is produced from 6.58 g of SO3 and 1.64 g of H2O?

A: Given that there are 6.58 g of SO3 and 1.64 g of H2O to produce H2SO4

Q: The balanced equation for the synthesis of ammonia is 3 H2(g) + N2(g) → 2 NH3(g). 4. Calculate: 1.…

A: The balanced reaction taking place is given as, => 3 H2 (g) + N2 (g) -------> 2 NH3 (g)

Q: A mixture contains NaHCO3 together with unreactive components. A 1.56g sample of the mixture reacts…

A:

Q: KO2 is used in closed breathing devices to remove CO2 and water resulting from breathing. The oxygen…

A: The equation involved in the formation of KHCO3 from KO2 in two steps is given, using which the mass…

Q: How many grams of NBr3 can be made from 525 g Br2  ?  N2   +   3 Br2   →   2 NBr3   +   44.0 kJ…

A: The reaction is as :-  N2 + 3Br2 ----> 2NBr3

Q: What is the maximum mass in grams of magnesium oxide that can be produced by the reaction of 6.8g…

A:

Q: 8.55 moles of PbO are formed by this reaction how many moles of SO2 will be formed? Pertaining to…

A: Mole is a unit to represent the quantity of fundamental particle like proton neutron and electron.

Q: A mixture of LİHCO3 and sand weighing 9.20 g is heated. After cooling, the residue composed of…

A: Given: The mass of LiHCO3 + Sand = 9.20 g.          (Before heating). The mass of Li2CO3 + Sand =…

Q: An ester is an organic compound that forms when a carboxylic acid reacts with an alcohol. Esters…

A: Mass of salicylic acid = 100.11 g Mass of methanol = 90.4 g

Q: Elemental phosphorus is used in the semiconductor industry. It can be obtained from an ore called…

A: We have to calculate the mass of fluoroapatite needed .

Q: 18.6 mL of ethanol is allowed to undergo combustion with an excess of gaseous oxygen to produce…

A: Given;

Q: Part 2: The Concept of Limiting Reactant 2. Water is formed by burning H2 (g) in the presence of O2…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: For the reaction: 2 SO2 O2 2 SO: (g) + calculate: 4. how many moles of sulfur trioxide can…

A: Moles = weight/molar mass Weight (g)= moles*molar mass (g/mol.)

Q: (b) What mass of Na,AlO, can be formed from 165.0 g of NaOH?

A:

Q: Nitric oxide is made from the oxidation of ammonia. What mass of nitric oxide can be made from the…

A: A mole of a substance weighs its molar mass  So Let The mass of substance be m and its molar mass be…

Q: Consider the following reaction 2H2(g)+O2(g)->2H2O(g) if 3.0 moles of H2(g) react fully with…

A: Number of Moles of Water  made can be calculated as follows -

Q: Solid diiodine pentoxide is used in respirators to remove carbon monoxide from air. The reaction…

A: We have to predict the mass of CO  as well as mass of I2 .

Q: Sulfuric acid can be manufactured using the reaction: 2 S(s) + 3 O2(g) + 2 H2O(l) → 2 H2SO4(aq) If…

A: Given : 2 S(s) + 3 O2(g) + 2 H2O(l) → 2 H2SO4(aq) Sulfur consumed = 65 metric tons To find : metric…

Q: Automotive air bags inflate when a sample of sodium azide, NaN3, is very rapidly decomposed.2NaN3(s)…

A: Given, 2 NaN3 (s) ⟶ 2 Na (s) + 3 N2 (g)Volume of N2 = 73.6 LDensity of N2 = 1.25 g L-1 To find, Mass…

Q: Sodium hydrogencarbonate undergoes thermal decomposition as shown. 2NaHCO, → NażCO3 + CO2 + H20 What…

A: Thermal decomposition reaction :-            In this reaction the amount heat energy required to…

Q: 6. The balanced equation N2(g) + 2 O2(g) -> 2 NO2(g) means which of the following? Choose a or b,…

A: Balanced chemical equation: N2(g) +  2O2 (g) ------> 2NO2 (g) In a chemical equation the species…

Q: 1. A laboratory method of preparing O2(g) involves the decomposition of KCIO3(s). 2KCIO3(s) 2KCI(s)…

A:

Q: 11. In the equation:  C6H15N4O6 + N2O  C5H11N4O6 + CH4N2O   A. Which compounds are the reactants?…

A:

Q: 29. The heat from an acetylene torch is produced by burning acetylene (C2H2) in oxygen. 2C,H2(9) +…

A: 2.40 mol of C2H2 reacts with 7.40 mol of O2.

Q: The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen…

A: Theoretical yield is the maximum possible yield of the product in a chemical reaction. The limiting…

Q: 2H2(g) + O2 (g) —> 2H2O (I) What mass in grams of Water (H2O) is produced from 2 moles of Hydrogen…

A: 2 moles of hydrogen forms 2 moles of water

Q: What mass of NH3 is produced from 12 grams of H2? 5. What mass of H2 is needed to react with 112 g…

A:

Q: What do you mean by “aliquot” and “dilution”?

A: In inorganic chemistry, while titration these terms, i.e. aliquot and dilutions are generally used.…

Q: How many grams of sulfuric acid (H2SO4) will be formed from the reaction of 100 grams of sulfur…

A: Reaction of SO3 with water to form H2SO4 can be represented as SO3 + H2O ------> H2SO4

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: In a chemical reaction, reactants combine together to form products. Write the complete reaction of…

Q: Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced…

A:

Q: 7. 50 g of Vanadium is mixed with 50g of Ozone (03) to produce 65 g Vanadium (V) Oxide a) What is…

A: % yield = (actually mole /theoretical mole) ×100 No. of moles=Given massMolar mass

Q: 6. 45.2 g of Iron metal reacts with excess oxygen gas to produce 58.1 g of Fe3O4. a) What is the…

A: We need to calculate  Theoretical yield Percentage yield Actual yield

Q: The following reaction represents a step in the formation of iron, Fe(!). How many grams of Iron can…

A: The given chemical reaction as follows --- Fe3O4 (s)   +   4 CO (g)   →   3 Fe (l)   +   4 CO2 (g)…

Q: Consider the balanced reaction of magnesium and oxygen. 2 Mg + O2 → 2 MgO What mass, in grams, of…

A:

Q: 1. The final step in the production of chromium metal consists of the reaction of chromium (III)…

A: Reactant reacts in stoichiometric terms to form products.   Given reaction,    2 Cr2O3     +   3 Si…

Q: 7. Consider the reaction: S(s) + 2 N2O(g) →SO2 (g)+2 N2 (g) How many grams of solid sulfur would be…

A: This question can be solved using law of multiple proportions.

Q: Oxygen bleach acts in the release of oxygen which best works in hot water mixture. Which of the…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".