thank
Question 15 of 21 How many moles of KCIO, must be reacted according to the following balanced chemical reaction...
Calculate AH for the reaction 2 KCIO: (s) → 2 KCl (s) + 3 O2 (g) ΔH°r of KCIO3 (s) = -397.7 kJ/mol ΔH°r of KCI (s) = -436.5 kJ/mol
Fill in the Blanks Given this balanced chemical reaction, 4 HCl(g) + O2(g) +2H20(0) + 2 C12(e) AH reaction=-202.4 kJ (give answer in decimal notation, i.e. 234,000) a. How many J (joules) of heat are released when 2.50 moles of HCl react with excess oxygen gas? b. How many moles of HCl are there in 89.3 g of HCl? c. How many kJ of heat are released when 89.3 g of HC react with excess O2? (Enter your answers as...
13 According to the following balanced chemical equation, if you want to generate two moles of H20 how many grams of O2 do you need? 2 H2 + O2 → 2 H2O 1. A) 8 2. B) 16 3. C) 32 4.D) 4 15. Which equations are balanced? 1. a) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (9) 2. b) 3A1 () + 3 02 (1) ► 2Al2O3 (5) 3. c) 2Hgo (s) → 2 Hg (1)...
QUESTIONS How many moles of 503 will be produced from 8.44 moles of Sg. according to the chemical reaction below? S8+02-503 0 676 mol 0 675 mol O 8.44 mol O 5410 mol QUESTION 9 How many grams of chlorine gas will be produced by the reaction of 8.7 moles of NaCl, according to the following balanced chemical reaction? 2NaCl + F2-NaF + Cl2 O 5.285 154 g 4.358 308 g QUESTION 10 How many grams of oxygen gas will...
Question 1 of 23 According to the balanced reaction below, calculate the moles of NH3 that form when 4.2 mol of N2H4 completely reacts 3 N2H.(I) — 4 NH3(g) + N2(g) How many moles of H2SO, are required to completely react with 7.20 mol of Al according to the balanced chemical reaction: 2 Al(s) + 3 H2SO,(aq) — AIZ(S0a)3(aq) + 3 H2(g)
According to the following combustion reaction of gasoline (Octane), how many moles of C8H18 needs to be reacted to produce 16 moles of CO2? C8H18 (l) + 25/2 O2 (g) → 8CO2 (g) + 9 H2O
According to the following balanced reaction, how many moles of NO are formed from 2.50 moles of NO2 if there is plenty of water present? 3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)
QUESTION 1 According to the following thermochemical equation, what mass of HF (in g) must react in order to produce 345 kJ of energy? Assume excess SiO2. SiO2(s) + 4 HF(g) SiF4(g) + 2 H20) AH®rxn = -184 kJ 1079 150.9 173 g 37.59 QUESTION 2 The value of AH® for the reaction below is -1107 kJ: 2Ba (s) + O2(g) + 2Bao (s) How many kJ of heat are released when 5.75 g of Bao (s) is produced? 96.3...
For the reaction, 2 KCIO3(s) — 302(g) + 2 KCl(s), how many moles of potassium chloride can theoretically form when exactly 1 mol of potassium chlorate decomposes? o 1 0 N 3 4 For the reaction, 2 KCIO3(s) + 302(g) + 2 KCl(s), how many moles of potassium chloride can theoretically form when exactly 2 mol of potassium chlorate decomposes? OO O 1 O N 3 4 For the reaction, 2 KCIO3(s) — 302(g) + 2 KCl(s), how many moles...
According to the balanced reaction below, calculate the moles of NH3 that form when 4.2 mol of N2H4 completely reacts 3 N2H4(1) ► 4 NH3(g) + N2(g) Attempts remaining: 2 According to the balanced reaction below, calculate the moles of NO2 that form when 5.20 x 10-3 mol of N205 completely reacts: 2 N2O5(g) → 4 NO2(g) + O2(g) Attempts remaining: 2 How many moles of H2SO4 are required to completely react with 7.20 mol of Al according to the...