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A 18.0L gas cylinder is filled with 5.20moles of gas. The tank is stored at 29 degrees C . What is the pressure in the tank?
Calculate the heat of enthalpy for the reaction: PCl5(g) → PCl3(g) + Cl2(g)
the Ras and MAP kinase pathway starts with the binding of a growth factor to a receptor. as a result, all of the following occur EXCEPT
Suppose a reaction has a standard Gibbs-free energy of -15.1 kJ/mol, calculate the relative ratio of product to reactant.
What is the final temperature of spoon + coffee? (Assume that the heat capacity of the spoon is the same as that of pure iron and that the heat capacity of the coffee is the same as that of pure water.)
The partial molar volumes of water and ethanol in a solution with x(H2O) = 0.40 at 25 degrees C are 16.9 and 57.5 cm^3/mol, respectively.
The heat of fusion of ice(the heat associated with ice melting) is 6.0 kJ/mol. Find the temperature of the coffee after the ice melts.
In a 0.1 molar solution of NaCl in water, which one of the following will be closest to 0.1?" A) the mole fraction of NaCl B) The mass fraction of NaCl
The value for Ksp for manganese(II) hydroxide, Mn(OH)2, is 1.6 x 10^-13. Calculate the molar solubility of Mn(OH)2 in a solution that contains 0.020 M NaOH.
Separation of acidic, basic & neutral substances in solution, Draw a flow sheet to show how you would separate the components of a mixture containing and acid substance
10.0 mL of a 0.30 M sodium phosphate solution reacts with 20.0 mL of a 0.20 M lead(II) nitrate solution (assume no volume change). What is the concentration of nitrate ions left in solution after the reaction is complete
Which of the following compounds can exhibit geometric isomerism (has cis-trans isomers)?
Calculate the amount of heat energy required to convert 55.0 g of water at 62.5 degrees Celsius to steam at 124.0 degrees Celsius
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