Using the equations
2Sr(s)+O2(g) → 2 SrO (s) ΔH° = -1184 kJ/mol
SrO (s) +CO2 (g) → SrCO3 (s) ΔH° = -234 kJ/mol
CO2 (g) → C(s) +O2 (g) ΔH°= 394 kJ/mol
Determine the enthalpy for the reaction
2 SrCO3 (s) → 2 Sr (s)+2 C(s)+ 3O2 (g). kJ/mol
Question 17 of 20 Using the equations 2 Sr(s) + O2 (g) → 2 Sro (s) AH° = -1184 kJ/mol CO2 (g) → C(s) + O2 (g) AH° = 394 kJ/mol Determine the enthalpy for the reaction C(s) + 2 Sro(s) → CO2 (g) + 2 Sr(s). kJ/mol
Given: C(s) + O2(g) ---> CO2(g) ΔH = −393.5 kJ/mol S(s) + O2(g) ---> SO2(g) ΔH = −296.8 kJ/mol C(s) + 2S(s) ---> CS2(ℓ) ΔH = +87.9 kJ/mol A) Calculate the standard enthalpy change for the following reaction CS2(ℓ) + 3O2(g) ---> CO2(g) + 2SO2(g) ΔH° rxn = -1075 kJ/mol B) Using the equation and standard enthalpy change for the reaction (from part A), calculate the amount of heat produced or consumed when 3.2 mol of CS2 reacts with excess...
Calculate the standard enthalpy change, ΔH, for the formation of 1 mol of strontium carbonate (the material that gives the red color in fireworks) from its elements. Sr(s) + C(graphite) + 32 O2(g) -----> SrCO3(s) The information available is: (1) Sr(s)+ 12O2(g) ---->SrO(s) DeltaH= -592kj (2) SrO(s) + CO2(g) -----> SrCO3(s) DeltaH= -234kj (3) C(graphite) + O2 (g) ----->CO2 (g) DeltaH= -394kl
1) Find the AH of the following reaction: C(s) + O2(g) à CO2(g) Given the following data: Sro(s) + CO2(g) à SrCO3(s) 2Sro(s) à 2Sr(s) +0,(8) AH = -234 kJ AH = +1184 kJ 2SCO,(s) à 25r(s) + 2C(s) + 302(g) AH = +2440 kJ 2) Find the AH of the following reaction: 3NO,(g) + H2O(l) à 2HNO,(aq) + NO(g) Given the following data: 2NO(g) + O2(g) à 2NO(g) AH=-116 kJ 2N2(g) + 502(g) + 2H2O(l) à 4HNO3(aq) AH =...
Use the following data to calculate the standard enthalpy of formation of solid strontium carbonate SrCO3 (s) → SrO (s) + CO2(s) ΔH° = 234 kJ/mol ΔHf° of CO2 (g) = -394 kJ/mol ΔHf° of SrO(s) = -592 kJ/mol A) -752 kJ B) 752 kJ C) -1220 kJ D) -1812 kJ E) 1812 kJ f) 1220
16. Use the thermochemical equations below to determine the enthalpy change for the following reaction (10 pts.): C(s) + O2(g) → CO2 (g) AH = -234 kJ sko (s) + CO2 (g) → SCO: (s) AH = +1184 kJ 2S60 (s) → 25r (s) + O2 (g) AH = +2440 kJ 2STCO3 (s) + 2Sr (s) + 2C (s) + 302 (9)
Calculate ΔHrxn for the following reaction: SrO(s)+CO2(g)→SrCO3(s) Use the following reactions and the given values of ΔH for them: Sr(s)+CO2(g)+12O2(g)→SrCO3(s),ΔH2Sr(s)+O2(g)→2SrO(s),ΔH==−819.5kJ−1096.0kJ Express your answer to four significant figures in kilojoules.
Determine the enthalpy change for C(graphite) + O2(g) → CO2(g); AH= ? using the following three thermochemical equations, which will be referred to as reactions (A), (B), and (C). (A) Sro(s) + CO2(g) → SCO3(s);AH = -234 kJ (B) 2Sro(s) → 25r(s) + O2(g); AH= 1184 kJ (C) 2SrCO3(s) — 25r(s) + 2C(graphite) + 302(g); AH= 2440 kJ The value for AH = List what action you performed on each equation to achieve your goal. Equation (A) was Equation (B)...
1. A 20.0-8 piece of aluminum at 0.0°C is dropped into a beaker containing 100.0 g of water. The temperature of the water drops from 90.0°C to 85.7°C. What quantity of energy did the aluminum absorb? What is the specific heat of the aluminum? 2. If 55.0 ml of water at 22.5°C is mixed with 100.0 ml of water at 95.2 'C, what would you expect for a final temperature? 3. Cold packs (the kind that get cold when you...
Given the following data: C(s) + O2(g) → CO2(g) ΔH = -393.5 kJ CS2(l) + 3O2(g) → CO2(g) + 2SO2(g) ΔH = -1076.5 kJ C(s) + 2S(s) → CS2(l) ΔH = +89.4 kJ Find the ΔH of the following reaction: SO2(g) → S(s) + O2(g)