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What mass of butane in grams is necessary to produce 1.5 times 10^8 kJ of heat?...
1. Ammonia reacts with oxygen according to the equation 4NH3(g)+5O2(g)→4NO(g)+6H2O(g),ΔHrxn=−906 kJ Calculate the heat...
1. Ammonia reacts with oxygen according to the equation 4NH3(g)+5O2(g)→4NO(g)+6H2O(g),ΔHrxn=−906 kJ Calculate the heat (in kJ) associated with the complete reaction of 155 g of NH3. 2. What mass of butane in grams is necessary to produce 1.5×103 kJ of heat? What mass of CO2 is produced? Assume the reaction to be as follows: C4H10(g)+132O2(g)→4CO2(g)+5H2O(g),ΔHrxn=−2658 kJ
Part A Ammonia reacts with oxygen according to the equation 4NH3(g)+5O2(g)→4NO(g)+6H2O(g),ΔHrxn=−906 kJ Calculate the h...
Part A Ammonia reacts with oxygen according to the equation 4NH3(g)+5O2(g)→4NO(g)+6H2O(g),ΔHrxn=−906 kJ Calculate the heat (in kJ) associated with the complete reaction of 155 g of NH3. Part B What mass of butane in grams is necessary to produce 1.5×103 kJ of heat? What mass of CO2 is produced? Assume the reaction to be as follows: C4H10(g)+132O2(g)→4CO2(g)+5H2O(g),ΔHrxn=−2658 kJ
Given: 4 NO_2(g) + O_2(g) rightarrow 2 N_2O_5(g) delta H degree = -110.2 kJ find delta...
Given: 4 NO_2(g) + O_2(g) rightarrow 2 N_2O_5(g) delta H degree = -110.2 kJ find delta H degree for N_2O_5(g) rightarrow 2 NO_2(g) + 1/2 O_2(g) HBr, HCl, HCIO_4, KBr, and NaCl are all classified as Selected Answer: strong electrolytes. Correct Answer: strong electrolytes. What is the empirical formula for ethyl fluoride if the compound contains 49.97% carbon, 10.51% hydrogen, and 39.52% fluorine by mass? Selected Answer: C_4 H_10 F_4 Correct Answer: C_2H_5F Which of the following represent isotopes? A:...
Ammonia will burn in the presence of a platinum catalyst to produce nitric oxide, NO. 4NH_3(g)...
Ammonia will burn in the presence of a platinum catalyst to produce nitric oxide, NO. 4NH_3(g) + 5O_2(g) rightarrow 4NO(g) + 6 H_2 O(g) What is the heat of reaction at constant pressure? Use the following thermochemical equations: N_2(g) + O_2 (g) rightarrow 2NO(g): Delta H = 180.6 kJ N_2(g) + 3H_2 (g) rightarrow 2 NH_3 (g) Delta H = -91.8 kJ 2H_2 (g) + O_2 (g) rightarrow 2H_2O(g): Delta H = -483.7 kJ
Reacted with 20.0g oxygen and produces 38170, j of heat and POCL_2(I) Determine Delta H for...
Reacted with 20.0g oxygen and produces 38170, j of heat and POCL_2(I) Determine Delta H for the reaction 2000.0 kj of heat is added a 1 atm and 400 degree C to 1800.0 g magnesium carbonate, which decomposes with according to: MgCO_s(S) rightarrow MGO(s) + CO_r(g) Delta H117.3 kJ How many moles of CO_2(Z) will be produced? What will be the mass of the solid (MgCO_3 + MgO) after the heat is added?
What is the change in the internal energy of a system (delta U) if 71 kJ...
What is the change in the internal energy of a system (delta U) if 71 kJ of heat energy is absorbed by the system and 12 kJ of work is performed on system? Write a balanced thermochemical equation for the following process: If 2 mol of sodium metal reacts with 1 mol of fluorine gas at constant pressure, 2 mol of solid sodium fluoride is produced and 409.2kJ of heat is released. How much energy is released if one mole...
what mass of octane in grams is required to produce 7260 kJ of heat?
what mass of octane in grams is required to produce 7260 kJ of heat?
The solubility of lead(II) fluoride, PbF_2, in pure water is 2.1 times 10^-3 moles per liter....
The solubility of lead(II) fluoride, PbF_2, in pure water is 2.1 times 10^-3 moles per liter. Calculate the value of K_sp for lead(II) fluoride from this data. a. 1.3 times 10^-7 b. 1.9 times 10^-8 c. 3.7 times 10^-8 d. 1.6 times 10^-9 e. 9.3 times 10^-9 In an experiment, it is planned to add 300 mL of 2.0 times 10^-5 M AgNO_3 to 300 mL of 2.0 times 10^-9 M NaI. Will a precipitate form? What is the precipitate?...
For the following equilibrium: N_2(g) + H_2(g) rightarrow NH_3(g) delta H= -386 kJ/mole Predict the direction...
For the following equilibrium: N_2(g) + H_2(g) rightarrow NH_3(g) delta H= -386 kJ/mole Predict the direction the equilibrium will shift if: N_2 is added? H_2 is removed? NH_3 is added? NH_3 is removed? the volume of the container is decreased? the pressure is increased by adding Argon gas? the reaction is cooled? equal number of moles of H_2 and NH_3 are added? a catalyst is added The equilibrium constant for the following reaction is 5.0 at 400 degree C. CO_(g)...
What volume of benzene (C6H6, d=0.88g/ml, molar mass =78.11g/mol) is required to produce 1.5•10*3kj of heat...
What volume of benzene (C6H6, d=0.88g/ml, molar mass =78.11g/mol) is required to produce 1.5•10*3kj of heat according to the following rxn?: 2C6H6(l) + 15O2(g)—-> 12CO2(g) + 6H2O(g) delta H rxn= -6278kj
Given: 4 NO_2(g) + O_2(g) rightarrow 2 N_2O_5(g) delta H degree = -110.2 kJ find delta H degree for N_2O_5(g) rightarrow 2 NO_2(g) + 1/2 O_2(g) HBr, HCl, HCIO_4, KBr, and NaCl are all classified as Selected Answer: strong electrolytes. Correct Answer: strong electrolytes. What is the empirical formula for ethyl fluoride if the compound contains 49.97% carbon, 10.51% hydrogen, and 39.52% fluorine by mass? Selected Answer: C_4 H_10 F_4 Correct Answer: C_2H_5F Which of the following represent isotopes? A:...
Ammonia will burn in the presence of a platinum catalyst to produce nitric oxide, NO. 4NH_3(g) + 5O_2(g) rightarrow 4NO(g) + 6 H_2 O(g) What is the heat of reaction at constant pressure? Use the following thermochemical equations: N_2(g) + O_2 (g) rightarrow 2NO(g): Delta H = 180.6 kJ N_2(g) + 3H_2 (g) rightarrow 2 NH_3 (g) Delta H = -91.8 kJ 2H_2 (g) + O_2 (g) rightarrow 2H_2O(g): Delta H = -483.7 kJ
Reacted with 20.0g oxygen and produces 38170, j of heat and POCL_2(I) Determine Delta H for the reaction 2000.0 kj of heat is added a 1 atm and 400 degree C to 1800.0 g magnesium carbonate, which decomposes with according to: MgCO_s(S) rightarrow MGO(s) + CO_r(g) Delta H117.3 kJ How many moles of CO_2(Z) will be produced? What will be the mass of the solid (MgCO_3 + MgO) after the heat is added?
What is the change in the internal energy of a system (delta U) if 71 kJ of heat energy is absorbed by the system and 12 kJ of work is performed on system? Write a balanced thermochemical equation for the following process: If 2 mol of sodium metal reacts with 1 mol of fluorine gas at constant pressure, 2 mol of solid sodium fluoride is produced and 409.2kJ of heat is released. How much energy is released if one mole...
The solubility of lead(II) fluoride, PbF_2, in pure water is 2.1 times 10^-3 moles per liter. Calculate the value of K_sp for lead(II) fluoride from this data. a. 1.3 times 10^-7 b. 1.9 times 10^-8 c. 3.7 times 10^-8 d. 1.6 times 10^-9 e. 9.3 times 10^-9 In an experiment, it is planned to add 300 mL of 2.0 times 10^-5 M AgNO_3 to 300 mL of 2.0 times 10^-9 M NaI. Will a precipitate form? What is the precipitate?...
For the following equilibrium: N_2(g) + H_2(g) rightarrow NH_3(g) delta H= -386 kJ/mole Predict the direction the equilibrium will shift if: N_2 is added? H_2 is removed? NH_3 is added? NH_3 is removed? the volume of the container is decreased? the pressure is increased by adding Argon gas? the reaction is cooled? equal number of moles of H_2 and NH_3 are added? a catalyst is added The equilibrium constant for the following reaction is 5.0 at 400 degree C. CO_(g)...
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