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While 0.850 g of Mg is burned in oxygen in a constant volume calorimeter, 25.4 kJ of energy as heat is evolved. The calorimeter is in an insulated container with 750 g of water at an initial temperature of 18.6 degrees Celsius.
The heat capacity of the calorimeter is 820 J/ka) Compute the U for the oxidation of Mg (in kJ/mol Mg)b) Explain what will be the final temperature of the water and the bomb calorimeter in this experiment?
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions.
For the reaction, A = B + C, the rate law is k[A]. If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be transformed into products, what is the value of the rate constant.
Draw the structures of [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2. Explain the difference between the chlorides in [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2
Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species; we can follow the kinetics of this reaction by measuring the conver..
a mixture of barium and silver is to be analyzed. the barium component reacts with acid to generate hydrogen gas while
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
For which of the following reactions does delta H reaction = delta H standard H2(g) + S(rhombic) yeilds H2S(g)
What is the molality of chromium(III) chloride in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate (CrCl3· 6H2O) in 250.0 g of water.
what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
The rate of a chemical reaction is found to double when the temperature is raised from 298K to 308K. Determine the activation energy.
how much heat in kilojoules is evolved or absorbed in each of the following reactions?a burning of 15.5g of
A gas mixture with a total pressure of 765 contains each of the following gases at the indicated partial pressures: , 118 ; , 229 ; and , 187 . The mixture also contains helium gas. What is the partial pressure of helium gas.
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