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Models do not necessarily have to be physical objects. They can be two-dimensional drawings or even mental constructs. Cite one or more examples of such models encountered outside of chemistry. Can you think of models that are used in your own field of study or that you will use in your future career?
calcium carbonate fw 100.09 reacts with hydrofluoric acid hf to form caf2caco3s 2 hf ------gt caf2s h2ol
steam from a boiling teapot 100 degc hits a persons hand and causes a burn. assuming 1 g of water vapor condenses to
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
What maximum mass in kilograms of carbon dioxide is produced by the complete combustion of 10.0kg of this fuel mixture?
Assuming that a particular individual's stomach contains 1 quart of 0.1 M HCl, and that an antacid tablet contains as its active ingredient 500 mg of calcium carbonate, what would the final pH of this individual's stomach contents be after taking ..
Calculate the equilibrium constant at 298 K for the reaction of ammonia with oxygen to form nitrogen and water. The data refer to 298 K.
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-).
Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5°C to 179.0°C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction?
Calculate the mass percent of propionic acid (HC3H5O2) in solution.
if the heat of neutralization of aqueous benzoic acid is 54.6 kjmol what is the enthalpy of ionization on benzoic
if a pair ofstudents started with 0.12 ml of acetophenone 0.151 g of piperonaldehyde and 0.80 ml of ethanol and added
The Ksp of CaSO4 is 4.93× 10-5. Calculate the solubility (in g/L) of CaSO4(s) in 0.500 M Na2SO4(aq) at 25 °C
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