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Explain why is it sometimes incorrect to state that a compound is broken down into its component elements in a decomposition reaction?
If the atomic radius of a metal that has the body-centered cubic crystal structure is 0.184 nm, calculate the volume of its unit cell ( in nm^3)
A particular reaction has a ?Ho value of -118 kJ and ?So of 47 J/mol K at 298 K. Calculate ?Go at 349 K in kJ, assuming that ?Ho and ?So hardly change with temperature
terephthalic acid used in plastics manufacture contains only c h and o. combustion of 19.81 mg of terephthalic acid
What would the energy diagram look of a triple carbon hybrid. Using the model below what is available.
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (80°F)
What is the change in entropy in entropy in the system in J/K when 39.3 grams of steam at 1 atm condenses to a liquid at the normal boiling point.
A 50 mL soln. of Mg(NO3)2 is mixed with a 50 mL solution of NaOH. The resulting precipitate, Mg(OH)2, that forms is 2.97g. Determine the concentration of solution of Mg(NO3)2?
if 32.7 ml of 0.225 m koh is required to completely neutralize 28.0 ml of a ch3cooh solution what is the molarity of
Write the expression for the equilibrium constant. b. Which way would the reaction shift in each of the following cases?
A 1.0 ounce piece of chocolate contains 15mg of caffeine, and a 6.0 ounce cup of regular coffee contains 105mg of caffeine. How much chocolate would you have to consume to get as much caffeine as you would from 2.0 cups of coffee.
a 10.00-ml sample of sulfuric acid from an automobile battery requires 35.08 ml of 2.12 m sodium hydroxide solution for
Calculate the wavelength of a photon emitted when 1x10^-27 g particle in a box of a length 6.0 Angstrom goes from n=5
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