The decomposition of potassium chlorate, KClO3, into KCl and O2 is used as a source of oxygen in the laboratory. How many moles of potassium chlorate are needed to produce 15 mol of oxygen gas, O2?      2KClO3 -> 2KCl + 3O2

Q: Determine the AH of the reaction 1 2NO29) +502cg) N205(s) 3 N205(s) → 2NO(9) + +502(g) O2(9) AH =…

A: Given:  Reaction (1): N2O5(s) ---> 2NO(g) + (3/2)O2(g)       ∆H1 = 223.7 kJ  Reaction (2):  NO(g)…

Q: Determine whether the following (forward) reactions favor high or low pressures? 1. 2SO2(g) + O2(g)…

A: Five questions based on Le-Chatlier principle, which are to be accomplished.

Q: NaOH (aq) + HCI (aq) - NaCl (aq) + H20 (1) Volume of 1.00 M HCI (mL) 45.0 Volume of 1.00 M NAOH (mL)…

A: Volume of HCl in ml = 45.0 ml (Three significant figures) Volume of HCl in L = 0.0450 L (Three…

Q: The formation of rust (Fe2O3) from solid iron and oxygen gas releases -1.7  103 kJ. 4 Fe(s) + 3…

A: The question is about to calculate the mass of rust formed when 150 kcal are released -

Q: Find the ΔH for this reaction : 3H2(g) +O3(g) --> 3H2O(g) Given the two following pieces of…

A: Find the ΔH for this reaction : 3H2(g) +O3(g) --> 3H2O(g) -------(1) ∆H°= ?

Q: A chunk of metal alloy containing equimolar magnesium and zinc was analyzed using the ideal gas…

A: Answer: Magnesium will have larger contributions to the number of moles of evolved H2 gas than Zinc.…

Q: 11. Write the reaction for the combustion of propane gas (C3H8). If the reaction occurs in a closed…

A: Combustion reactions are those reactions in which the reactant reacts with the oxygen to form carbon…

Q: How much oxygen is needed to produce 105.2 kJ via the following reaction? 2C2H6(g) + 7O2(g) →…

A: ∆H = -3120 KJ/mol   How many moles of O2 will produce 105.2KJ Molar mass of oxygen = 32.0 g/mol

Q: Calculate ∆G° for the combustion of ethane 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l) With the following…

A: 2C2H6 (g) + 7O2 (g) → 4CO2 (g) + 6H2O (l) ∆G° = ∑(∆Gf°)products -∑(∆Gf°)reactants  ∆G°  = 4 x∆Gf,…

Q: Emole 5. The average human requires 120 grams of glucose, C&H12O6 per day. How many grams of CO2 are…

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Q: ∆H

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Q: Consider the following reaction where K, = 0.497 at 500 K. PCI5(g) PCI3(g) + Cl2(g) If the three…

A: The equilibrium reaction given is, => PCl5 (g) ↔ PCl3 (g) + Cl2 (g) Given: Kp = 0.497  And…

Q: For the reaction shown, find the limiting reactant for each of the initial quantities of reactants.…

A: A limiting reagent is the reagent present in lesser amount in the reaction, and the reaction get…

Q: Use the following reactions to find AH when 1 mole of HCI gas forms from its elements: N2 (g) + 3 H2…

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Q: SO2= 1.48 M O2  = 0.40 M and SO3 = 1.12 M The reaction has not reached equilibrium…

A: Given  [SO2 ]  = 1.48 M [O2]     = 0.40 M [SO3]   = 1.12 M [SO3]2[SO2]2[O2]   = ?

Q: N2 in the atmosphere Plants Process X NH3 in soil NH,+ → NO2 → NO3 a. Name process X.

A: Nitrogen cycle  In first step gaseous N2 is converted to NH3 (Amonia) via biological fixation

Q: 4.00 mole of N2 and 4.00 moles of H2 are mixed and allowed to reach equilibrium in a 2.00L container…

A: Given, the equilibrium chemical reaction,N2(g)+3H2(g)⇌2NH3(g)initial number of moles of N2 =4.00…

Q: [1] TRUE OR FALSE The higher the percent conversion of a reaction, the lower is the temperature of…

A: The rate of a reaction is directly proportional to the temperature of the reaction. The higher the…

Q: For the reaction of nitrogen and oxygen to form nitrogen dioxide,…

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Q: For the reaction of nitrogen and oxygen to form nitrogen dioxide, N 2(g) + 2O2(g)…

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Q: The following figure represents an equilibrium mixture of reactant A (red spheres) and product B…

A: Consider the given equilibrium reaction is as follows; A g    ⇌      2 B g Given the information…

Q: Glucose(C6H1206) reacts with oxygen gas to produce gaseous carbon dioxide and water vapor Glucose:…

A: Number of atom of each elements on the reactant side should be equal to the number of atom each…

Q: 8. How many grams of CaSO4 can be dissolved in 100 L of water at 25°C? Kp for CaSO4 = 2.5 x 10°.…

A: Given data : Ksp of CaSO4 = 2.5 x 10-5 Volume of water = 100 L Molar mass of CaSO4 = 136 g/mol

Q: Ammonia is among the top ten synthesized compounds. Its many uses include the manufacture of…

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Q: For the following answer, there may be more than one correct answer. You must select all of the…

A: Answer:- This question is answered by using the simple concept of Le Chatelier principle which…

Q: The following reaction is investigated: Initially there are 0.44 mol of N20 and 0.45 mol of N2H4 in…

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Q: Consider the following reaction at STP: 2 H2S(g) + SO2(g) → 3 S(s) + 2 H2O(g) If the reaction vessel…

A: Limiting reagent: The reactant which consumes in the reaction first and stops the reaction. Find the…

Q: What is the ΔG° for the reaction? Given are the ΔGf° of each substance in parentheses. 3 H2S (g,…

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Q: A student performs a calorimetry experiment. The student combines 100. g of 0.40 M HC1(aq) with 100.…

A: When the temperature of solution increases this means heat is released during the reaction and it is…

Q: A cylinder contains 9 moles of Oxygen gas (O2), 5 moles of Nitrogen gas (N2)  and 6 moles of Carbon…

A: Given moles of Nitrogen (n1) = 5 moles moles of oxygen (n2) = 9 moles moles of Carbon dioxide (n3) =…

Q: 2. For the following reaction, calculate: C,H10 co, H,0 a) Moles 0, needed to burn 10 moles C,H,0 b)…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: At 600.0 K, ∆Gº=–31.7 kJ/mol for the following decomposition reaction 2NH3(g) → N2(g) + 3H2(g). What…

A: Since form the balanced reaction 2NH3(g) → N2(g) + 3H2(g)  we can say that 2 moles of NH3 is…

Q: The data collected today may have shown a decrease in temp after several mins of constant temp. What…

A: A calorimeter is a device used to measure the amount of heat involved in a chemical or physical…

Q: At a particular temperature, Kc = 6.0 × 102 for 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) Calculate Kc for…

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Q: Aluminum reacts with chlorine gas to form aluminum chloride according to the reaction below.…

A: The question is based on the concept of Reaction Stoichiometry and ideal gas equation. We have to…

Q: The reaction below has AH° = -110.2 kJ. 4 NO2(g) + O2(g) → 2 N205(g) Which statement is correct when…

A: In this question, we want to determine the energy when the given mass of nitrogen dioxide react with…

Q: Ammonia can be oxidized in oxygen as shown: 4 NH3(g) + 3 O2(g) <=> 2 N2(g) + 6 H2O(g). When…

A: The ICE table is constructed as,

Q: 5. Methane gas (CH4) reacts with oxygen gas (02) according to the quation below. This reaction…

A: CH4 + 2O2----> CO2 + 2H2O + energy

Q: For the following equation, how would you increase the amount of product? UF4(g) + 2H2O(g) ↔↔…

A: According to Le Chatelier's principle, any change in the concentration, pressure, or temperature of…

Q: 1 atm = 760 mm Hg R = 0.0821 L atm/ mol K K = °C + 273 PV = nRT Molar volume @ STP, 1 mole = 22.4L…

A: first calculate moles of N2 formed and after that using the ideal gas equation calculate the…

Q: A chunk of metal alloy containing equimolar magnesium and zinc was analyzed using the ideal gas…

A: In the given problem, a chunk of metal is given which consists equimolar mixture of magnesium and…

Q: Calculate ΔHrxn for the reaction: 7 C (s) + 8 H2 (g) → C7H16 (g) The following reactions and…

A: Given steps reactions are : Reaction A: C7H16 (g) + 11O2 (g) → 7CO2 (g) + 8H2O (g),  ΔH1 = - 4817 kJ…

Q: For the reaction of nitrogen and oxygen to form nitrogen dioxide, Kc = 1.5x103 N 2(g) + 202(g)…

A: Given information,

Q: silver nitrate reacts with nickel to form Ni(NO3)2 and silver. to produce 1kg silver, how many moles…

A: Silver nitrate reacts with nickel to form nickel nitrate and silver. Write the complete reaction.…

Q: 2 SO2 (g) + O2 (g)=2 SO3 (g) AH = 144 kJ Which of the below stresses will cause the total moles of…

A: Given that : The given equilibrium reaction is : 2SO2(g)  +  O2(g)  ⇌  2SO3(g)           ∆H = 144 kJ…

Q: What is ΔH° of the following reaction? CO2(g) + 2CH4(g) → C3H8(g) + O2(g) Substance ΔH°f (kJ/mol)…

A: Enthalpy of reaction is equal to difference of sum of enthalpy of formation of products and sum of…

Q: What is the ΔG° for the reaction? Given are the ΔGf° of each substance in parentheses. 3 H2S (g,…

A: Gibbs free energy change of a reaction gives the available energy of a reaction.  Gibbs free energy…

Q: At a particular temperature, Kc = 6.0 × 102 for 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) Calculate Kc for…

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Q: In liters, how much oxygen and STP are required to react with excess methane within this following…

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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".