Which of the following does not describe the reaction 2KClO_3 (s)-> KCl(s)+3O_2(g)? a) gas forming reaction...
Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s) + 3O_2(g) rightarrow 2Al_2O_3(s) What volume of O_2 gas (in L), measured at 760 mmHg and 34 degree C is required to completely react with 52.2 g of Al?
Indicate which of the following chemical reaction are redox reactions: a. 2Pbs + 3O_2 rightarrow 2PbO + 2SO_2 b. 2AgNO_3 + CuCl_2 rightarrow Cu(NO_3)_2 + 2AgCl c. CH_4 + 2O_2 rightarrow CO_2 + 2H_2 O d. FeCl_2 + 2NaOH rightarrow Fe(OH)_2 + 2NaCl e. 4Fe + 3O_2 rightarrow 2Fe_2 O_3
At one time, a common means of forming small quantities of oxygen gas in the laboratory was to heat KClO3: 2KClO3(s)→2KCl(s)+3O2(g)ΔH=−89.4kJ Part A For this reaction, calculate ΔH for the formation of 1.35 mol of O2 . Part B For this reaction, calculate ΔH for the formation of 10.1 g of KCl. Part C The decomposition of KClO3 proceeds spontaneously when it is heated. Do you think that the reverse reaction, the formation of KClO3 from KCl and O2, is...
2. Classify each of the following reactions as precipitation, gas forming, redox, acid/base, combination, decomposition, double displacement or single displacement. Each reaction will have at least two classifications. a. Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) b. H2SO3(aq) → SO2(g) + H2O(1) C. N2(g) + H2(g) → NH3(g) d. AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) ii. e. HCl(aq) + Ba(OH)2(aq) + H2O(l) + BaCl2(aq)
Classify each of these reaction. Ba(ClO_3)_2(s) rightarrow BaCl_2(s) + 3O_2(g)
Part I Balance the following equation: KBr(aq)+Cl2(aq)→KCl(aq)+Br2(l) Part J Identify the type of the reaction above. combination single replacement combustion decomposition Part K Balance the following equation: Fe(s)+H2SO4(aq)→Fe2(SO4)3(aq)+H2(g) Part L Identify the type of the reaction above. combination combustion decomposition single replacement Part M Balance the following equation: Al2(SO4)3(aq)+NaOH(aq)→Na2SO4(aq)+Al(OH)3(s) Part N Identify the type of the reaction above. decomposition combustion combination double replacement
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...
The following reaction is an example of a ________ reaction. 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g) A) displacement B) single replacement C) combustion D) decomposition E) double replacement
classify reaction: 2Ag2O(s) 4Ag(s) +O2(g) is a. combustion b. single replacement c. decomposition d. synthesis .