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Decomposition of KCIO3 can be carried out as shown below. If 4.75 g of KCIO, is...
Question 4 1 pts Given the decomposition reaction of KClO3(s), 2 KCIO3(s) 2 KCl(s) + 3 O2(8) If 19.6 L of oxygen gas (O2) are produced at 198 °C and 760 torr, answer all three parts below. 1) The number of moles of O2(g) produced → [Select ] 1.21 mol 385 mol 2) The number of moles of KCIO3(s) require 0.507 mol 917 mol problem is Select] 2(g) as stated in the 2) The grams of KCIO3(s) required to produced...
Question 4 Given the decomposition reaction of KCIO3(s), 2 KCIO3(s) 2 KCl(s) + 3 O2(g) If 46.5 L of oxygen gas (O2) are produced at 208 °C and 760 torr, answer all three parts below. 1) The number of moles of O2(g) produced is Select 1 (Select) 2) The number of moles of KCIO3(s) required 895 mol nt of O2(g) as 2070 mol stated in the problem is [Select 1 2.72 mol 1.18 mol 2) The grams of KCIO3(s) required...
Potassium chlorate (KCIO3) is often used to generate oxygen according to its decomposition reaction (shown below): A.9 2KCI (s) +302(g) 2KCIO3(s) AH (kJ mol) S (JK mol) KCIO3 (s) KCI (s) 397.8 143.1 -435.9 82.6 O2 (g) 0 205.0 Use the thermochemical data provided above to calculate the standard change in Gibbs Energy (AG for this reaction at a temperature of 298K AH 88.6 kJ (A) 4G. AH-TOs (B) -88.6 kJ (C) -223.4 kJ (D) +223.4 kJ (E) 266.1 kJ...
What is the volume of oxygen gas released in the decomposition of 35.62 g of potassium chlorate at STP? KClO3 (s) ---> KCl (s) + O2 (g)
The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory 2KCIO3 (8) ► 2KCI (s) + 302 (9) What volume (L) of O2 gas at 25°C and 1.00 atm pressure is produced by the decomposition of 7.5 g of KClO3 (s)? Select one: a. 11 b.4.5 CO d. 3.7 e. 2.3
#13 Write a chemical equation for the reaction of zinc metal with aqueous copper (II) nitrate to produce aqueous zinc (II) nitrate and copper metal. #17 Potassium chlorate decomposes to potassium chloride and oxygen, as shown in the equation below. 2 KClO3 (s) → 2 KCl (s) + 3 O2 (g) How many grams of oxygen are produced if 148 grams of potassium chloride are produced from the decomposition of 244 grams of potassium chlorate? #18 If the student collected...
The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory. 2 KCIO3 (s) --> 2 KCl (s) + 3 O2 (9) What volume (L) of O2 gas at 25°C and 1.00 atm pressure is produced by the decomposition of 7.5 g of KClO 3 (s)? Select one: 0 a. 2.2 L O O O b. 4.5 L C. 11 d. 7.5 L e. 3.7 L
1. A 4.385 g sample of mercury (II)oxide was decomposed to produce 4.003 g of liquid mercury according to the equation below. Calculate the percent yield of mercury. 2 HgO(s)-> 2Hg() + O2(g) 4.385 (21656 =4.0039 2. Strontium carbonate decomposes into strontium oxide and carbon dioxide gas when heated, as shown below. What mass of strontium carbonate would be required to produce 49 g of strontium oxide, assuming the reaction went at 100% yield? SrCO3(s) > SEO (s) + CO2(g)...
Calculate the following. Show your work. Circle or place a box around your final answer. A frequently used method for preparing oxygen in the laboratory is by the thermal decomposition of Potassium Chlorate (KCIOs). Use the equation provided to answer the questions below. Given: Density of Oz - 1.428 g/L KCIO3(s) KCI (s) + O2 (g) 1. Balance the above equation (Quiz 10) 10 pts 2. What volume of O, can be made from 5.00 x 10 moles of KCIO,?...
17. Determine the enthalpy change for the oxidation of ethanol to acetic acid, CH3CH2OH(() + O2(g) → CH3COOH() + H2O(1) given the thermochemical equations below. 1) 2 CH2CH2OH(1) + O2(g) + 2 CH CHO(l) + 2 H20(1) AH = -400.8 kJ/mol-rxn 2) 2 CHỊCHO(0)+0g)+2 CHCOOH(C). A,Hº = -584.4 kJ/mol-rxn (a) What is the compound that is not present in the target equation? (b) To cross out that compound, what operation is needed to do for equations 1) and 2)? (c)...