— ― FeCl(aq) FeCls (aq) FeCl (aq) FeCls (aq) FeCls (aq) FeCls (aq) FeCls (aq) FeCls (aq) FeCls (aq) FeCls (aq) ▬▬▬▬ HCl(aq) Na PO4 (aq) KI (aq) CuSO4 (aq) H₂SO4 (aq) NaOH(aq) AgNO3(aq) CaCl(aq) HNO3(aq) Na:COs (aq) NR NR NF NA NR NP NE
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- LUsing Table 1, calculate AH for each of the following reactions. Tell if each is exothermic or endothermic. & 2 CO(g) + 0:(g) → 2 CO:(g) h. N;(g) + 0:(R) → 2 NO(g) II. Calculate AH, for each of the following (using Table 1). i CCHae from the reaction 2 C;H:(g) + 50:(g) - 4 CO:(g) + 2 H;0(g) + 600kcalThe reaction A(aq) + B(aq) C(aq) + D(aq) has a ΔHrxn = -85 kJ/mol. This reaction is endorthermic or exothermic . If the temperature of the reaction mixture is increased, equilibrium will shift towards the reactans or products. This change will decrease or increase the concentration of the reactants and K will increase or deacreaseConsider the reaction: 2H₂O(1) 2H₂(g) + O₂(g) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 1.81 moles of H₂O(1) react at standard conditions. AS° surroundings = J/K
- Reactions of AgNO3 1 AgNO3(aq) AgNO3 (aq) AgNO3 (aq) AgNO3(aq) AgNO3(aq) CaCl₂ (aq) AgNO3 (aq) + | | Pb(NO3)2 (aq) HCI (aq) Na3PO4 (aq) Kl (aq) CuSO4 (aq) H₂SO4 (aq) NaOH (aq) →>> →>> →>> ↑ ↑6:27 STARTING AMOUNT ADD FACTOR he average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour ? * ( ) Question 9 of 16 4184 0.1 X 2.01 x 10€ days 4.184 10 kcal 24 349 S 2.00 × 10³ 1 kJ 20.0 60 cal PI 0.01 1000 min 1.15 x 105 kcal/day 0.001 J 100 hr ANSWER kJ/hr 974 Tap here or pull up for additional resources Submit RESET 3Part C Calculate AH when 9.23 x 10 mol of AgCl dissolves in water. Express your answer in joules to three significant figures.
- When HCI(aq) is added to calcium carbonate solid, carbon dioxide gas, liquid water and aqueous calcium chloride form: CaCO3(s) + 2HCI(aq) → Co,(g) + CaCl,(aq) + H,0(1) This reaction is used by geologists to confirm the presence of limestone (calcium carbonate) in minerals. In this experiment you are trying to determine the effect of concentration of HCI(aq) on the production of carbon dioxide. a. Based upon the information above, come up with a question to answer. (C:1) You can use the following equipment to answer this question: calcium carbonate chips, 1.90 mol/L HCI(aq), pH meter (measures hydrogen ion concentration), beaker, timer, apparatus to measure gas produced b. Based upon the equipment provided above, design a procedure to answer your question. Ensure you provide numbered steps. (1:3, C:2) c. Hypothesize an answer to your question. (I:1) Give reasons for your hypothesis. Ensure you are very specific. (A:3) From your experiment, you collect the following data:H₂O(l) K*(aq) ClO3(aq) Aluminium sulfate is used as a flocculating agent in the treatment of waste water. a) Write the dissocation equation for the dissociation of aluminum sulfate. b) Determine the concentration of aluminium ions and sulfate ions in a 0.250 mol/L solution of aluminium sulfate. You MUST show your work to receive full marks. 0- X Q BI= = = = 8 OFFEE O 1632 US X₂ Il Proctorio is shGiven the following reactions Fe203(s) + 3CO(s) 2Fe(s) + 3CO2(g) AH = -28.0 kJ AH = +12.5 kJ 3Fe(s) + 4CO2(s) → 4CO2(g) + Fe3O4(s) + CO(g) → CO3(g) + 2FE3O4(s)- + 2FE304(s)' Determine the enthalpy of the reaction of Fe203 with CO: 3FE2O3(s) Answer:
- Which of the following reactions is endothermic? NH3(8) NH3(g) + HF (aq) 2H2(g) + O2(g) CO2 (s) |_ Mg²*(g) + 2ē NH3(1) > NH4F(aq) > H₂O(g) CO2(g) Mg(s)2. (a) The industrial process for the production of sulphuric acid has three steps. S (s) + O2 (g) → SO2 (g) AH° = -296.83 kJ 2SO3 (g) → 2SO2 (g) + O2 (g) AH° = -198.20 kJ SO3 (g) + H2O (1) → H2SO4 (1) AH° = -227.72 kJ Using the above data, calculate the enthalpy of the reaction, 2S (s) + 302 (g) + 2H2O (1) → 2H2SO4 (1)reaction Mg(s) + Cl₂(g) → MgCl₂ (s) CH₂(g) + 20₂ (g) K Br(aq) + AgNO₂ (aq) KNO₂ (aq) + Ag Br(s) HBr(aq) + NaOH(aq) → NaBr(aq) + H,O (1) CO₂(g) + 2H₂O(g) → K 10 0 0 0 0 ОС 00000000 type of reaction (check all that apply) combination single replacement double replacement decomposition combination single replacement double replacement decomposition combination single replacement double replacement decomposition combination single replacement double replacement decomposition X precipitation combustion acid-base precipitation combustion acid-base precipitation combustion acid-base precipitation combustion acid-base Ś ? 0 000 000