If the enthalpy change for the reaction below is ΔH = 198 kJ, how many grams of sulfur dioxide are produced when 526 kJ is absorbed?
2 SO3 (g) + 198 kJ --> 2 SO2 (g) + O2 (g)
SO2 molar mass = 64.07 g/mol
SO3 molar mass = 80.07 g/mol
Report your answer in grams with the correct number of significant figures.
If the enthalpy change for the reaction below is ΔH = 198 kJ, how many grams...
The standard enthalpy change for the reaction of SO3(g) with H2O(l) to yield H2SO4(aq) is ΔH∘ = -227.8 kJ .? Use the following information S(s)+O2(g)→SO2(g), ΔH∘ = -296.8kJ SO2(g)+12O2(g)→SO3(g) , ΔH∘ = -98.9kJ to calculate ΔH∘f for H2SO4(aq) (in kilojoules per mole). [For H2O(l),ΔH∘f = -285.8kJ/mol]. Express your answer using four significant figures.
Calculate the standard enthalpy change, ΔH°rxn, in kJ for the following chemical equation, using only the thermochemical equations below: 2H2S(g) + 4O2(g) → 2SO3(g) + 2H2O(l) Report your answer to three significant figures in scientific notation. Equations: ΔH°rxn (kJ) 2S(s) + 3O2(g) → 2SO3(g) -790.4 S(s) + O2(g) → SO2(g) -296.9 2H2S(g) + 3O2(g) → 2SO2(g) + 2H2O(l) -1125.1
Use the ΔH°f and ΔH°rxn information provided to calculate ΔH°f for SO3(g): 2 SO2(g) + O2(g) → 2 SO3(g) ΔH°rxn = -198 kJ ΔH°f (kJ/mol) SO2(g) -297
Consider the following reaction: 2Mg(s)+O2(g)→2MgO(s)ΔH=−1204kJ a. How many grams of MgO are produced during an enthalpy change of -95.0 kJ ? b. How many kilojoules of heat are absorbed when 7.60 g of MgO(s) is decomposed into Mg(s) and O2(g) at constant pressure?
The thermochemical equation for the combustion of sulfur dioxide is shown below. 2 S02(g) + O2 (g) + 2 So3(g) deltaH =-198 kJ What is the enthalpy change for the following reaction? 4 SO3(g) → 4 SO2(g) + 2 O2(g)
determine the enthalpy change
A student wishes to determine the enthalpy change for the decomposition of sulfur trioxide into sulfur and oxygen gas: 2 SO3 -- 2 S (s) + 3 O2 (g) After experiencing some difficulty getting the above reaction to proceed, the student decides to measure the enthalpy of two other reactions, and use those results to calculate the enthalpy of the above reaction: SO2 (g) -S (s) + O2 (9) AHrx = +296.8 kJ 2 SO2 (g)...
The enthalpy of combustion (ΔH°c) of 1,1,2,2,-tetramethylcyclopropane (C7H14) is -4635.62 kJ/mol. a-Using the appropriate information given below, calculate the enthalpy of formation (ΔH°f), in kJ/mol, for 1,1,2,2,-tetramethylcyclopropane. Report your answer to two decimal places. ΔH°f (CO2 (g)) = -393.51 kJ/mol ΔH°f (H2O (l)) = -285.83 b- Determine the mass (in g) of 1,1,2,2,-tetramethylcyclopropane produced, if ΔH° was determined to be -35.93 kJ during an experiment in which 1,1,2,2,-tetramethylcyclopropane was formed. Report your answer to three significant figures.
Calculate the standard enthalpy change, ΔH°rxn, in kJ for the following chemical equation, using only the thermochemical equations below: CaCO3(s) → CaO(s) + CO2(g) Report your answer to three significant figures in scientific notation. Equations: ΔH°rxn (kJ) Ca(s) + CO2(g) + 1/2O2(g) → CaCO3(s) -812.5 2Ca(s) + O2(g) → 2CaO(s) -1270.3
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...
**********Please explain the following question in detail********** Calculate the standard enthalpy change, ΔH°rxn, in kJ for the following chemical equation, using only the thermochemical equations below: 2NO(g) + 2NO3(g) → 4NO2(g) Report your answer to three significant figures in scientific notation. Equations: ΔH°rxn (kJ) NO(g) + 1/2O2(g) → NO2(g) -56.5 1/2N2(g) + O2(g) → NO2(g) 33.8 N2(g) + 3O2(g) → 2NO3(g) 142.3