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Use the References to access important values if needed for this question. The following information is...
Use the References to access important values if needed for this question. The following information is given for manganese at latm: boiling point = 2095 °C AHap(2095 °C) = 225 kJ/mol melting point = 1244 °C A us(1244 °C)= 14.6 kJ/mol specific heat solid=0.477 J/g°C specific heat liquid = 0.837 J/gºC What is AH in kJ for the process of freezing a 37.9 g sample of liquid manganese at its normal melting point of 1244 °C. Submit Answer Retry Entire...
Use the References to access important values if needed for this question. The following information is...
Use the References to access important values if needed for this question. The following information is given for water at 1 atm: AHyap(100.00 °C) -2.259x103 J/g AHfus(0.000 °C) = 333.5J/g boiling point -100.00 °C melting point=0.000 °C specific heat gas = 2.010 J/g°C specific heat liquid - 4.184 J/gºC A 48.60 g sample of liquid water is initially at 41.90 °C. If the sample is heated at constant pressure (P-1 atm), kJ of energy are needed to raise the temperature...
Use the References to access Important values if needed for this question. The following thermochemical equation...
Use the References to access Important values if needed for this question. The following thermochemical equation is for the reaction of hydrogen(g) with chlorine(g) to form hydrogen chloride(g). H2(g) + Cl2(g) 2HCl(g) AH--185 kJ/mol-rxn How many grams of H2(g) would have to react to produce 44.6 kJ of energy? of energy? grams Submit Answer Retry Entire Group 8 more group attempts remaining
Use the References to access important values if needed for this question. The reaction of carbon...
Use the References to access important values if needed for this question. The reaction of carbon dioxide(g) with hydrogen(g) to form acetylene(g) (C2H2) and water(g) proceeds as follows: 2 CO2(g) + 5 H2(g) C2H2(g) + 4 H2O(g) When 12.0 grams of CO2(g) react with sufficient H2(g), 6.34 kJ of energy are absorbed. What is the value of AH for the chemical equation given? AH,xn= kJ Submit Answer
Use the References to access important values if needed for this question. A chemical reaction is...
Use the References to access important values if needed for this question. A chemical reaction is run in which 800 Joules of work is done on the system and the internal energy changes by + 1280 Joules. Calculate q for the system. Joules Submit Answer Retry Entire Group 9 more group attempts remaining Visited
Use the References to access important values if needed for this question. The following thermochemical equation...
Use the References to access important values if needed for this question. The following thermochemical equation is for the reaction of bromine trifluoride(g) to form Br2(g) and fluorine(g) 23rF3(8) Bra(g) + 3F2(e) AH = 542 kJ How many grams of BrF3(g) would react if 97.0 kJ of energy were provided? Submit Answer 1 question attempt remaining
Use the References to access important values if needed for this question. The following thermochemical equation...
Use the References to access important values if needed for this question. The following thermochemical equation is for the reaction of sulfur dioxide(g) with oxygen(g) to form sulfur trioxide(g) 2502(g) O2(g)-_-2S03(g) H -198 kJ How many grams of SO (g) would have to react to produce 36.3 kJ of energy? grams eq 9 more group attempts remaining Submit Answer Retry Entire Group eq req req
Use the References to access important values if needed for this question. The following information is...
Use the References to access important values if needed for this question. The following information is given for ethanol CH3OH, at latm: AH 2p(78.4 °C) = 38.6 kJ/mol boiling point = 78.4°C specific heat liquid = 2.46 J/g°C At a pressure of 1 atm, kJ of heat are needed to vaporize a 40.4 g sample of liquid ethanol at its normal boiling point of 78.4 °C.
The following thermochemical equation is for the reaction of ammonium nitrate(s) to form dinitrogen monoxide(g) and...
The following thermochemical equation is for the reaction of ammonium nitrate(s) to form dinitrogen monoxide(g) and water(g) NH,NO3() N2O(g) + 2H2O(g) AH = -35.9 kJ How many grams of NH NO,(s) would have to react to produce 12.1 kJ of energy? grams The following thermochemical equation is for the reaction of hydrogen sulfide(g) with oxygen(g) to form water(g) and sulfur dioxide(g). 2H2S(g) + 302(g)—2H2O(g) + 2802(8) AH=-1.04x109 kJ When 9.64 grams of hydrogen sulfide(g) react with excess oxygen(g), -588.8 kJ...
this was all the info given for the questions Use the References to access Important values...
this was all the info given for the questions
Use the References to access Important values if needed for this question, What is the energy change when the temperature of 12.9 grams of solid zinc is decreased from 36.3 °C to 22.6 °C ? Answer: Joules. Submit Answer Retry Entire Group 8 more group attempts remaining What is the energy change when the temperature of 12.4 grams of solid nickel is decreased from 35.0 °C to 20.2 °C ? Answer....
Use the References to access important values if needed for this question. The following information is given for manganese at latm: boiling point = 2095 °C AHap(2095 °C) = 225 kJ/mol melting point = 1244 °C A us(1244 °C)= 14.6 kJ/mol specific heat solid=0.477 J/g°C specific heat liquid = 0.837 J/gºC What is AH in kJ for the process of freezing a 37.9 g sample of liquid manganese at its normal melting point of 1244 °C. Submit Answer Retry Entire...
Use the References to access important values if needed for this question. The following information is given for water at 1 atm: AHyap(100.00 °C) -2.259x103 J/g AHfus(0.000 °C) = 333.5J/g boiling point -100.00 °C melting point=0.000 °C specific heat gas = 2.010 J/g°C specific heat liquid - 4.184 J/gºC A 48.60 g sample of liquid water is initially at 41.90 °C. If the sample is heated at constant pressure (P-1 atm), kJ of energy are needed to raise the temperature...
Use the References to access Important values if needed for this question. The following thermochemical equation is for the reaction of hydrogen(g) with chlorine(g) to form hydrogen chloride(g). H2(g) + Cl2(g) 2HCl(g) AH--185 kJ/mol-rxn How many grams of H2(g) would have to react to produce 44.6 kJ of energy? of energy? grams Submit Answer Retry Entire Group 8 more group attempts remaining
Use the References to access important values if needed for this question. The reaction of carbon dioxide(g) with hydrogen(g) to form acetylene(g) (C2H2) and water(g) proceeds as follows: 2 CO2(g) + 5 H2(g) C2H2(g) + 4 H2O(g) When 12.0 grams of CO2(g) react with sufficient H2(g), 6.34 kJ of energy are absorbed. What is the value of AH for the chemical equation given? AH,xn= kJ Submit Answer
Use the References to access important values if needed for this question. A chemical reaction is run in which 800 Joules of work is done on the system and the internal energy changes by + 1280 Joules. Calculate q for the system. Joules Submit Answer Retry Entire Group 9 more group attempts remaining Visited
Use the References to access important values if needed for this question. The following thermochemical equation is for the reaction of bromine trifluoride(g) to form Br2(g) and fluorine(g) 23rF3(8) Bra(g) + 3F2(e) AH = 542 kJ How many grams of BrF3(g) would react if 97.0 kJ of energy were provided? Submit Answer 1 question attempt remaining
Use the References to access important values if needed for this question. The following thermochemical equation is for the reaction of sulfur dioxide(g) with oxygen(g) to form sulfur trioxide(g) 2502(g) O2(g)-_-2S03(g) H -198 kJ How many grams of SO (g) would have to react to produce 36.3 kJ of energy? grams eq 9 more group attempts remaining Submit Answer Retry Entire Group eq req req
Use the References to access important values if needed for this question. The following information is given for ethanol CH3OH, at latm: AH 2p(78.4 °C) = 38.6 kJ/mol boiling point = 78.4°C specific heat liquid = 2.46 J/g°C At a pressure of 1 atm, kJ of heat are needed to vaporize a 40.4 g sample of liquid ethanol at its normal boiling point of 78.4 °C.
The following thermochemical equation is for the reaction of ammonium nitrate(s) to form dinitrogen monoxide(g) and water(g) NH,NO3() N2O(g) + 2H2O(g) AH = -35.9 kJ How many grams of NH NO,(s) would have to react to produce 12.1 kJ of energy? grams The following thermochemical equation is for the reaction of hydrogen sulfide(g) with oxygen(g) to form water(g) and sulfur dioxide(g). 2H2S(g) + 302(g)—2H2O(g) + 2802(8) AH=-1.04x109 kJ When 9.64 grams of hydrogen sulfide(g) react with excess oxygen(g), -588.8 kJ...
this was all the info given for the questions
Use the References to access Important values if needed for this question, What is the energy change when the temperature of 12.9 grams of solid zinc is decreased from 36.3 °C to 22.6 °C ? Answer: Joules. Submit Answer Retry Entire Group 8 more group attempts remaining What is the energy change when the temperature of 12.4 grams of solid nickel is decreased from 35.0 °C to 20.2 °C ? Answer....
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