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Define a 0.1747-g sample of solid magnesium is burned in a bomb calorimeter that has a heat capacity of 1769 J/°C.
The calorimeter contains exactly 361 g of water and the temperature increases by 1.126°C. Compute the heat given off by the burning Mg, in kJ/g and in kJ/mol.
Determine the percent yield if An 8.50 grams sample of Ammonia gives 12.0 g of Nitric Oxide?
an ore of barium contains baco3. a 1.224 g sample of the ore was treated with hcl to dissolve the baco3. the resulting
How many grams of cobalt metal will be deposited when a solution of cobalt(II) chloride is electrolyzed with a current of 10. amperes for 109 mintues?
what is qvib at a temperature of 3100 K, keeping the zero point energy and referenced to v= 0? What is the vibrational contribution to CV, at the temperature 2600 K?
If 1.02 g KHP (molar mass = 204.2 g/mol) is titrated with 28.34 mL of NaOH, what is the concentration of NaOH?
Hydrogen sulfide , H2S , has the characteristics odor of rotten eggs. If a sample of H2s GAS AT 759.0 TORR AND 29.0 C IN A 3.00 -L container is allowed to expain into an 11.0-l container at 29.0 c, what is the pressure in the 11.0-l container
The pH of a 1.0 X 10^-7 M HCl aqueous solution is 6.79, and not 7.00 as you might expect with a simple pH = -log[H3O+] calculation. Propose an explanation for this phenomenon.
Given the following balanced chemical equation, if 345 g of I2 are formed, how many g of Cl2 had to react? 2 FeI2 + 3 Cl2 ? 2 FeCl3 + 2 I2
You have a solution of NaCl dissolved in water. Describle a method by which these two compounds could be separated.
Assuming that the density of the solution is 1.0 g/mL, find the molarity of the hydrogen ion in the solution. The molar mass of HCl is 36.5 g/mol
Explain the increasing boiling point as you move from methane to ammonia to water be explicit as to what forces are acting on these molecules and how you know.
A 20.0 ml sample of 0.200 M Hbr solution is titrated with 0.200M of NaOH solution. Calculate the pH after 16 ml of NaOH has been added.
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