. How many liters of ethane, measured at 29 degrees Celsius and 867 mm Hg, must be burned to give off 2.75 x 104 kJ of heat?
2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6H2O(l) H = -3.12 x 103 kJ
. How many liters of ethane, measured at 29 degrees Celsius and 867 mm Hg, must be...
What mass of ethane, C2H6, must be burned to provide 6.30 x 104 kJ of heat according to the given thermochemical equation: 2 C2H6 (g) + 7 O2 (g) -> 4 CO2 (g) + 6 H2O (l) ΔHrxn = -3119 kJ
how many liters of carbon dioxide are produced at 100 kPa and 22 degrees celsius if 75.0 L of methane react? CH4 + 2 O2 —> CO2 + 2 H2O
molar 7. How many grams of CO 28.01 /mol) must be bumed to produce 225 kJ of heat urma 2006 +020 200260 AH = -566 kJ c) 2238 ite a) 0.398 8 b) 0.795 g c) 2.52 g d) 11.1 g 3. Calculate the mass of excess reactant remaining after 4.50 mol of LHCO (67.96 R/mol) and 8.50 mol of H2504 (98.08 g/mol) reacted according to the equation shown below. 2LHCO3 + H2SO4 - Li2SO4 + 2H20 + 2002 e)...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric pressure is 790.0 mm Hg. Then you hear the roar of a lion. Startled, you accidently release the balloon. It flies away. By the time it reaches the clouds the atmospheric pressure is only 0.300 atm. What is the new volume of the balloon? a) 6.20 L b) 11.1 L c) 1.06 L d) 8.43 L 26. A gas sample is held at constant...