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The combustion of 0.1584 grams of benzoic acid increases the temperature of a bomb calorimeter by 2.45 (degrees) C. Calculate the heat capacity of this calorimeter. (The energy released by combustion of benzoic acid is 26.42 kJ/g.)
An ideal gas in sealed container has an inital volume of 2.30 L. At constant pressure, it is cooled to 15.00 C where its final volume is 1.70 L. What was the inital temperature
What is the empirical formula? What is the molecular formula? How many grams of oxygen gas were used to oxidize the original 2.035 grams of compound?
After the reaction was completed. The solution was back titrated with a NaOH solution (33.50 mL of 0.1500 M).Calculated the Molecular Mass of MCO3. Determine what is this sample: CaCO3 ; MgCO3; or BaCO3 ?
The Ksp of AgCl at 25 oC is 1.6 x 10-10. Consider a solution that is 1.0 x 10-4 M CaCl2 and 1.0 x 10-6 M AgNO3. 1. Q
Indium has only two naturally occurring isotopes. The mass of indium-113 is 112.9041 and the mass of indium-115 is 114.9039 .
Cyclopentane had nine isomers.
a colorless liquid that is commonly known as grain alcohol, is 0.789 g/mL. Calculate the mass of 17.4 mL of the liquid.
a 0.2527-g sample of a mixture of mgoh2 and aloh3 was treated with 50.00 ml of 0.225 mol l?1 hclaq. the resulting
Draw all the isomers you can come up with the formula C10H12O2. Must contain a benzene ring and a double bond. Also, much contain 8 unique carbon types.
a tablet of vitamin c was analyzed to determine whether it did in fact contain as the manufacturer claimed 1 g of the
At a temperature of 250K, the molecules of an unknown gas, Z, have an average velocity equal to that of HI at 500K. What is the identity of the gas
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
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