Examlex
The volume change associated with a chemical reaction is often approximated as being directly proportional to the change in the number of moles of gas moles of gaseous products - moles of gaseous reactants) .The combustion of methanol at 25 C and 1 atm releases about 1453 kJ of heat.Which of the following correctly describes the relationship between E and H ? 2 CH3 OH(l) + 3 O2(g) 2 CO2(g) + 4 H2O(l)
Q8: A substance that is _ will be
Q15: At a given temperature, oxygen gas effuses
Q45: Which statement regarding osmotic pressure is NOT
Q50: Which relationship regarding the quantities of
Q50: What is the kinetic energy of 25,000
Q61: Which of the following should have the
Q86: Which straight-chain alkane below would you predict
Q105: A uranium oxide compound is found to
Q109: An important intermediate reaction in the
Q176: The surroundings perform work on a