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Suppose heat is lost or absorbed by the calorimeter itself would it give a higher or a lower value that the usual value or would this have remained unchanged?
Dental amalgam, a solid solution of silver and tin in mercury, is used for filling tooth cavities. Two of the reduction half-reactions that the filling can undergo are
How many photons are required to heat 295 of coffee from 25.0 to 62.0 ? Assume that the coffee has the same density, 0.997 , and specific heat capacity, 4.184 , as water over this temperature range.
A wine-dispensing system uses argon canisters to pressurize and preserve wine in the bottle. An argon canister for the system has a volume of 29.1mL and contains 36.6g of argon.Assuming ideal gas behavior
Calculate the volume occupied 1.50g 7.00g of O2 and Cl2 react when mixed without exerting a pressure 482atm to 22 degrees Celsius.
what is the likely magnitude of the equilibrium constant K? Hydrogen is used as a rocket fuel because it is very light and reacts explosively and completely with oxygen. For the combustion reaction
one kg of methane is contained in a pistoncylinder device at 0.8 mpa and 250 c. it undergoes a reversible isothermal
A gas is compressed from 68.2 L to 8.0 L at 0.70 atmospheres? In addition a total of 3300 J of heat are gained from warmer surroundings. What is the change in internal energy in kJ
Give an example of how you would take a primary alcohol to an aldehyde, what reagents would you use. How would you take a primary alcohol to a carboxylic acid
200.0 mL of 0.750 M calcium nitrate is added to 100.0 mL of 0.500 M ammonium sulfate. What is the mass in grams of precipitate formed
Draw the expected titration curve for the titration of methylamine (a weak base) with hydrochloric acid? What would be the nature of the salt produced at equivalence point of this titration?
Draw the Lewis structure of the lowest energy imidazolium ion. This is the lowest energy product formed when imidazole is protonated.
1. for the following reactionnbspfe2o3 3 h2 -gt 2 fe 3 h2onbspif 6.3 g of fe2o3 is reacted with 15.8 g of hydrogen to
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