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Methanol is burned as fuel, this makes it clear that the reaction is spontaneous once methanol is ignited. yet the entropy change for the reaction 2CH3OH(l) + 3)2(g)---2CO2(g) + 4H2O(l) is negative. Why doesn't this violate the second law of thermodynamics?
A 37.4-L volume of methane gas is heated from 22 degrees C to 78 degrees C at constant pressure. What is the final volume of the gas?
A quantity of gas originally held at 4.75 atm pressure in a 1.00 L container at 26 Celsius is transferred to a 12.0 L container at 20 Celsius . A quantity of O2 gas originally at 5.15 atm and 26 Celsius in a 5.10 L container is transferred to this..
A small solid crystal is added to a clear liquid. Immeadiately after that, many other crystals begin to precipitate throughout the clear liquid. This indicates that the clear liquid was actually a solution.
Calculate the molarity of Fe(scb)2+ for solutions 1-5. Absorbance 1=0.77 2= 0.100 3=0.181 4=0.297 and 5= 0.397.
What is the pH of a solution that is formed at 25C by combining 300 mL of 0.040 M NaOH with 400 mL
propylene oxide is a chiral molecule. hydrolysis of propylene oxide gives propylene glycol another chiral molecule.a
magnesium has three isotopes mg-24 mg-25 and mg-26. the percentage abundance of each in order is 78.70 10.13 11.17.
A gas sample has an original volume of 680 ml when collected at 720 mm and 28°C. What will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 55°C?
At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
When are covalent bonds most likely to form? a. between 2 atoms with a high ionization energy b. between 2 with a low ionization energy. c when one atom high and other low d. no correct choice. (I'm leaning towards a.)
The combustion of ethane produces carbon dioxide and steam: 2C2H6 + 7O2 --- 4CO2 +6H20 How many moles of CO2 are produces when 5.55 mol of ethane are burned in an excess of oxygen.
Find the new volume of the gas sample - What is the new volume of the gas sample
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