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A 8.750-gram sample of a hydrocarbon is burned in a furnace and 27.456 grams of CO2 and 11.239 grams of H2O are collected. If the molecular weight of the compound is 98.18 grams/mole, what is the molecular formula of the hydrocarbon?
How many grams of sodium hydroxide are needed to react completely with 50.1 mL of 0.145 MCoCl2 solution?
Silver has two naturally-occurring isotopes with masses of 106.905092 amu and 108.904756 amu. What are the percent abundances of each isotope, respectively?
2c4h10 13o2 rarr 8co2 10h2othe equation shows the combustion of butane c4h10. how many moles of water can be produced
the practical benefits of using a more favorable direction of the reaction for a routine enzyme activity assay
The largest of the Great Lakes is Lake Superior, which as a volume of 12,230 km3. What is this volume in liters
The Henry's Law constant (Kh) for O2 in water at 20 degrees C is 1.28e^-3 mol/L*atm. How many grams of O2 will dissolve in 2.00L of H2O that is in contact with pure O2 at 1.00 atm?
write the molecular and net ionic equation for when AgNO3 and Na2CO3 are mixed. Then write the net ionic equation when each of the following stresses are applied to the same mixture.
If 22.50mL of 0.100 M nitric acid is required to neutralize 25.0 mL of barium hydroxide solution, what is the molar concentration of the base. HNO3 (aq) + Ba(OH)2(aq) --->Ba(NO3)2 (aq) + H2O (l)
2 hcl...i agraveis for this given reaction... h2 icl nbspyou just need to balance the equation and write the terms
Benzoic acid precipitated when the aqueous solution of sodium benzoate in beaker A was acidified. If benzoic acid failed to precipitate after acidification, how would you recover benzoic acid from beaker A
As pH increases, hydronium ion concentration increases. As pH increases, hydroxide ion concentration increases
Without using equations, explain why Delta S for a liquid or solid is dominated by the temperature dependence of S as both P and T change.
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