What is the enthalpy change (in kJ) for burning 40.0 g of methyl alcohol?
What is the enthalpy change (in kJ) for burning 40.0 g of methyl alcohol?
The thermochemical equation for the burning of ethyl alcohol is C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O(l) ΔH = -1,367 kJ What is the enthalpy change (in kJ) for burning 10.01 g of ethyl alcohol?
What is the enthalpy change (in kJ) to burn 28.6 g ammonia if 4 NH3(g) + 3 O2(g) → 2 N2(g) + 6 H2O(g) has ΔHrxn = -1267 kj?
Determine the higher heating value of methyl alcohol (CH_3 OH) given that its enthalpy of formation is -238 000 kj/kg-mol. Assume that the gasoline at the pumps is a mixture of 90% octane and 10% methyl alcohol, determine the mixtures heating value.
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g) — 2 C(s.graphite) + 2 H2(g) AH° = -52.3 kJ What is the standard enthalpy change for this reaction at 298 K? 2 C(s,graphite) + 2 H2(g) — C2H4(9) LLUCU The standard enthalpy change for the following reaction is -240 kJ at 298 K. Ni(s) + 1/2 O2(g) → Nio(s) AH° = -240 kJ What is the standard enthalpy change for the reaction at...
The standard enthalpy change for the following reaction is -181 kJ at 298 K. 2 NO(g) -----------> N2(g) + O2(g) ΔH° = -181 kJ What is the standard enthalpy change for this reaction at 298 K? 1/2 N2(g) + 1/2 O2(g) ----------> NO(g)
The combustion of C2H40(g) has a AHrxn value of -2308.8 kJ. What is the enthalpy change when 269 g of CO2(g) is produced? Report your answer to the nearest kJ (with no decimal places, include sign, do not include units).
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...
What is the enthalpy change (KJ) during the process in which 200.0 g of water at 60.0 Celsius is cooled to -25 Celsius? The specific heats of ice, and liquid water, and 2.03 J/g-K, and 4.18 J/g-K, respectively. For H 2 O, delta H fus = 6.01 kJ/mol
What is the change in enthalpy (in kJ) under standard conditions when 172.1 g of sodium sulfate dissolves in water?
What is the change in enthalpy (in kJ) under standard conditions when 28.6 g of lithium hydroxide dissolves in water?