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Calculate the lattice energy for LiF(s) given the following; sublimation energy for Li(s) +166KJ/mol, ?Hf for F(g) +77KJ/mol, first ionization energy of Li(g) +520KJ/mol, electron affinity of F(g) -328KJ/mol, enthalpy of formation of LiF(s) -617KJ/mol.
as per the ideal gas law a sample 1.075 mol of n2 in a 1.430 l container at temperature of 267.6 kelvin must exert a
A sample of gas has a pressure of 328 torr while occupying a volume of 8.6 liters at 25 degrees Celsius. If the volume was reduced to 2.4
Consider a galvanic (voltaic) cell that has the generic metals X and Y as electrodes. If X is more reactive than Y (that is, X more readily reacts to form a cation than Y does),
A mass of 1.50 g H2O is sealed in an evacuated 3.0-L flask and heated to 55 °C. What mass of liquid water remains in the flask when equilibrium is established? The equilibrium vapor pressure of water at 55 °C is 118 mm Hg.
degree cl the initial concerntration of the three gases are 0.270M h2s,0.270 h2 and 0.135 s2. determine the equilibrium concentrations of the three gases
A 1.00 L sample of chlorine gas at 1.00 atm and 298 K reacts completely with 1.00 L of nitrogen gas and 2.00 L of oxygen gas at the same temperature and pressure.
How many grams of a 0.30 M solution of hydrocholoric acid would contain 5.2 g of pure hydrocholoric acid? The density of 0.30 M hydrocholoric acid is 1.2 g/mL
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
a sample of neon is collected at 2.7 atm and 12.0 degrees celcius. if has a volume of 2.25 l. what would be the volume
1.a pepsin of 3 grams get dissolved in water and formed a solution of 10.00 ml it was found that the osmotic pressure
Gasoline (assumed to be 100% octane) is combusted in your car according to the following chemical reaction:
What volume of CO2 gas is produced by the complete combustion of 2.6L (C3H8) gas? Assume all gas volumes are measured at the same temperature and pressure. C3H8 + 5O2 ---> 3CO2 + 4H2O
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