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Given DeltaHf(CO2(g))=-393.5kJ/mole, DeltaHf (H2O(g))=-241.8kJ/mole and DeltaHf(C5H12(g))=-146.4kJ/mole
a.) How much heat is evolved if 36.0g C5H12 undergoes combustion at constant pressure?
b.) What volume of O2(g) is required in the combustion at 25C and 1.00 atm if 9,818kJ are evolved?
What difference would you predict would occur in the graphing of the data if carbon dioxide was used instead of the components of air?
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
A 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?
What amount of the excess reagent remains after the reaction is complete in grams?
When 35 ml of 1.0 M HNO3 was mixed with 50 ml of 1.0 M NaOH in a coffee cup calorimeter, the temperature of the solution rose from 24.8 C to 31.7 C.
Calculate the concentration of H2SO4 if 25.00 mL of the acid is titrated with 41.70 mL of 3.000 M KOH to produce K2SO4 and water
How many grams of NaF form when 0.580 mol of HF reacts with excess Na2SiO3?
The phosphorous anion (P-) has how many total electrons and how many valence electrons?
A laser pulse with wavelength 540nm contains 4.40mJ of energy. How many photons are in the laser pulse?
Example of reducing agent mechanism, Using Curved arrows to symbolize the flow of electrons, write the mechanism for the steps involved in the conversion of 9-fluorenone
Considering the given equation KOH + CH 3 COOH ---> KCH 3 COO + H 2 O determine the volume of 0.157M solution Potassium hydroxide is essential to react with 0.385g of Acetic acid? express your answer in mL
A mixture of pentane and hexane has a vapor pressure of 258 torr. The standard vapor pressure of pentane is 425 torr. What is the mole fraction of pentane?
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