Homework Answers
1. For the reaction 3 H2(g) + N2(g) → 2 NH, (g), 3 mol H2 is...
1. For the reaction 3 H2(g) + N2(g) → 2 NH, (g), 3 mol H2 is reacted with 6 mol N2- mol of NH3 is produced mol of Hy remains _mol Ny remains 2. For the reaction 2 N H (1) + N20 (1) 3N2(g) + 4 H 0 (), 160 g N,H, is mixed with 160 g N204 (Answer: 125 g H20) is the limiting reagent _g H2O is produced 3. For the reaction Fe203 (s) + 3 CO(g)...
15) 15) What type of reaction is the generic equation AB+CD-AD+CB? A) synthesis/combination B) decomposition C) sin...
15) 15) What type of reaction is the generic equation AB+CD-AD+CB? A) synthesis/combination B) decomposition C) single displacement D) double-displacement E) none of the above 16) 16) Identify the double displacement reactions among the following: 1. KCl(aq) + AgNO3(aq) - AgCl(s) + KNO3(aq) 2. Na2SO4(aq) + BaCl2(aq) →BaSO4(s) + 2NaCl(aq) 3. H2SO4((aq) + 2NaOH(aq) Na2SO4((aq) + 2H2O(1) A) 1 and 3 only B) 2 and 3 only C) 1 and 2 only D) All of 1, 2, and 3 E)...
1. Classify the following as an endothermic or exothermic reaction: a. Making popcorn in a microwave oven. b. Boili...
1. Classify the following as an endothermic or exothermic reaction: a. Making popcorn in a microwave oven. b. Boiling water. 2. Balance each of the following equations. Classify each reaction as synthesis, decomposition, single-displacement, or double-displacement.? a. H + Bry → HB b. BaOx(s) H2SO4(aq) → BaSO4(s) + H2O2(aq) c, Ba(ClO 2 + Heat → BaCl2 d. Song) + O2(g) → SO, e. Na HO → NaOH + H2 3. Calculate the number of molest a. 2.10kg NaHCO3 b. 9.8...
The q of the reaction shown below is -55 kJ/ mol of Al(OH)3 Al^3+ (aq) +...
The q of the reaction shown below is -55 kJ/ mol of Al(OH)3 Al^3+ (aq) + 3 OH^-1(aq) —> Al(OH)3 (s) a. What amount of heat is transferred to the surrondings when 1 mole of Al(OH)3 is formed from precipitation of its ions? b. Does the solution (the water) get warmer or cooler? c. Is the reaction endothermic or exothermic? d. How much heat is evolved when 25.00 grams of Al(OH)3 are formed? e. If the heat from part d...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 kJ of thermal energy to t...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 kJ of thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction. B) Complete reaction of two moles of nitrogen gas would release 184 kJ of thermal energy in this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 ) thermal energy to the s...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 ) thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction. B) Complete reaction of two moles of nitrogen gas would release 184 kl of thermal energy this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many grams of...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 ) thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction B) Complete reaction of two moles of nitrogen gas would release 184 kl of thermal energy this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many grams of...
6:23 LTE Question 1 of 37 Submit An aqueous solution of Mg (NOs)2 and NaOH generates...
6:23 LTE Question 1 of 37 Submit An aqueous solution of Mg (NOs)2 and NaOH generates the solid precipitate Mg(OH)2. Which of the following would NOT appear in the corresponding net ionic reaction? A) Mg2 B) NO3 C) OH D) Mg(OH)2 E) Both (A) and (C) Tap here or pull up for additional resources 6:23 LTE Question 3 of 37 Submit Balance the following chemical reaction: Al2(SOa)3 (aq)K,PO. (aq) AIPO. (s) + K2SO& (aq) A) Al2(SOa)3 (aq) 2 K3PO4 (aq)...
1. For the following reaction N2 (g) + 3 H2(g) — 2 NH3(g) AH° = -92.4...
1. For the following reaction N2 (g) + 3 H2(g) — 2 NH3(g) AH° = -92.4 kJ K = 1.245 x 10-5 at 427°C for each change listed, predict the equilibrium shift and the effect on the indicated quantity. Direction of Shift Gt; or no change) Effect on Quantity Change Effect (increase, decrease, or no change) amount of NH3(g) amount of N2(g) (a) decrease in volume (b) Decrease temperature (c) addition of H2(g) (d) addition of NH3(g) (e) removal of...
balance each of the following equations Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue b...
balance each of the following equations
Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
1. For the reaction 3 H2(g) + N2(g) → 2 NH, (g), 3 mol H2 is reacted with 6 mol N2- mol of NH3 is produced mol of Hy remains _mol Ny remains 2. For the reaction 2 N H (1) + N20 (1) 3N2(g) + 4 H 0 (), 160 g N,H, is mixed with 160 g N204 (Answer: 125 g H20) is the limiting reagent _g H2O is produced 3. For the reaction Fe203 (s) + 3 CO(g)...
15) 15) What type of reaction is the generic equation AB+CD-AD+CB? A) synthesis/combination B) decomposition C) single displacement D) double-displacement E) none of the above 16) 16) Identify the double displacement reactions among the following: 1. KCl(aq) + AgNO3(aq) - AgCl(s) + KNO3(aq) 2. Na2SO4(aq) + BaCl2(aq) →BaSO4(s) + 2NaCl(aq) 3. H2SO4((aq) + 2NaOH(aq) Na2SO4((aq) + 2H2O(1) A) 1 and 3 only B) 2 and 3 only C) 1 and 2 only D) All of 1, 2, and 3 E)...
1. Classify the following as an endothermic or exothermic reaction: a. Making popcorn in a microwave oven. b. Boiling water. 2. Balance each of the following equations. Classify each reaction as synthesis, decomposition, single-displacement, or double-displacement.? a. H + Bry → HB b. BaOx(s) H2SO4(aq) → BaSO4(s) + H2O2(aq) c, Ba(ClO 2 + Heat → BaCl2 d. Song) + O2(g) → SO, e. Na HO → NaOH + H2 3. Calculate the number of molest a. 2.10kg NaHCO3 b. 9.8...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 kJ of thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction. B) Complete reaction of two moles of nitrogen gas would release 184 kJ of thermal energy in this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 ) thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction. B) Complete reaction of two moles of nitrogen gas would release 184 kl of thermal energy this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many grams of...
32) The reaction of one mole of nitrogen gas with three moles of hydrogen gas releases 92 ) thermal energy to the surroundings. Which of the following is TRUE? A) This reaction has a negative enthalpy of reaction B) Complete reaction of two moles of nitrogen gas would release 184 kl of thermal energy this reaction. C) This reaction is exothermic. D) All of the above are true. E) None of the above are true. 33) How many grams of...
6:23 LTE Question 1 of 37 Submit An aqueous solution of Mg (NOs)2 and NaOH generates the solid precipitate Mg(OH)2. Which of the following would NOT appear in the corresponding net ionic reaction? A) Mg2 B) NO3 C) OH D) Mg(OH)2 E) Both (A) and (C) Tap here or pull up for additional resources 6:23 LTE Question 3 of 37 Submit Balance the following chemical reaction: Al2(SOa)3 (aq)K,PO. (aq) AIPO. (s) + K2SO& (aq) A) Al2(SOa)3 (aq) 2 K3PO4 (aq)...
1. For the following reaction N2 (g) + 3 H2(g) — 2 NH3(g) AH° = -92.4 kJ K = 1.245 x 10-5 at 427°C for each change listed, predict the equilibrium shift and the effect on the indicated quantity. Direction of Shift Gt; or no change) Effect on Quantity Change Effect (increase, decrease, or no change) amount of NH3(g) amount of N2(g) (a) decrease in volume (b) Decrease temperature (c) addition of H2(g) (d) addition of NH3(g) (e) removal of...
balance each of the following equations
Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
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