I have 250 g of solid ethanol (C2H5OH) at -200 oC. How much energy would I need to add to get ethanol gas at 250 oC?
I have 250 g of solid ethanol (C2H5OH) at -200 oC. How much energy would I...
you decided to investigate how much energy it would take to get solid acetone to gaseous acetone. So assuming you took 125 g of -100 degree Celsius solid acetone and heated it 56 degree Celsius gaseous acetone, how many joules of energy would be required to do this? Acetone has a melting point of -95 degree Celsius and a boiling point of 56 degrees Celsius. The heat of fusion (melting) is 98 j/g and the heat of vaporization is 538.9...
Ethanol, C2H5OH, burns in oxygen gas by the following reaction. C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(g); ΔH = -1235 kJ How many grams of ethanol would be needed to provide 293 kJ of heat?
How much heat energy is required to convert 15.0 g of solid ethanol at -114.5 °C to gasesous ethanol at 143.1 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C. How much heat energy...
How would you prepare the following aqueous solutions? (a) 1.42 kg of 0.0605 m ethanol (C2H5OH) from ethanol and water Add ___ g C2H5OH to ____ g H2O. (b) 503 g of 10.0 mass % HCl from 30.9 mass % HCl Add ____ g of 30.9% HCl to ____ g of water.
How much heat is released if 35.0 g of ethanol (C2H5OH) burns in excess oxygen? C2H5OH() + 302(g) - 2CO2(0) + 3H2O() ДНrxn = –1367 kJ/mol Multiple Choice О 4.78 x 104 kJ Отэт к 1797 kJ О 9.61 ж 10-4 kJ О 1040 kJ О 1367 kJ
1.How much heat energy is required to convert 36.8 g of solid ethanol at −114.5°C to gasesous ethanol at 132.6°C? The molar heat of fusion of ethanol is 4.60 kJ/mol, and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of −114.5°C and a normal boiling point of 78.4°C. The specific heat capacity of liquid ethanol is 2.45J/g⋅°C, and that of gaseous ethanol is 1.43J/g⋅°C. 2.At 1 atm, how much energy is required to heat...
How much heat in kJ is required to convert 35.41 g of ethanol, C2H5OH, at -169.3 °C to the vapor phase at 78°C?
How much heat energy is required to convert 19.8 g of solid ethanol at –114.5 °C to gasesous ethanol at 175.0 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol, and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of –114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45J/g • °C, and that of gaseous ethanol is 1.43J/g. °C.
1. How much energy is need to change 125 grams of water from 25 oC to 98 oC ? 2. How much energy is given off when 200 grams of ethanol are cooled from 65 oC to 13 oC? Specific Heat of ethanol is 2.46 J/g oC. 3. The heat capacity of iron is 0.444 J/goC. What is the final temperature when 20 grams of iron wire at 80 oC losses 577.2 J? 4. A 56.0 grams of copper cylinder...
How much heat energy is required to convert 49.7 g of solid ethanol at –114.5 °C to gasesous ethanol at 135.5 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol, and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45J/g. °C, and that of gaseous ethanol is 1.43J/g • °C. kᎫ