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Rust on an automobile door contains Fe2O3(s). The balanced equation representing one of the reactions between iron in the door of the automobile and oxygen in the atmosphere is given below.
4Fe(s) + 3O2(g) → 2Fe2O3(s)
Determine the gram-formula mass of the product of this reaction. Include proper units.
solution of water (K_f}=1.86 C/m) and glucose freezes at - 2.35 C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 C.
At a potential of -1.00 V vs. SCE, carbon tetrachloride (CCl4) in methanol undergoes a reduc- tion to chloroform (CHCl3) at a mercury cathode:
If you dilute 25.0 of the stock solution to a final volume of 0.460 , what will be the concentration of the diluted solution?
What volume of this gas must be burned to raise the temperature of 5.3 L of water by 5.0°C? Assume the gas is at 1.0 atm and 298 K.
The Kp for the reaction is 4.3X10^-4 at 648K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900atm N2 and 0.500 atm H2 at 648K
The air in an inflated balloon (defined as the system) warms over a toaster and absorbs 121 J of heat. As it expands, it does 70. kJ of work. What is the change in internal energy for the system.
how much heat (in KJ) is required to warm 10g of ice, initially at -10 degree celsius, to steam 110 degree celsius?
determine the freezing point depression, delta Tf, for the ionic solution. b. determine m effective for ionic solution. c. determine the van't Hoff factor, i, for the ionic compound.
15.0 moles of gas are in a 6.00 L tank at 24.1 degrees C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constantsfor methane are a = 2.300 L^2 atm/ mol^2 and b = 0.0430 L/mol
A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16 g/mol) in 10.00 mL of NaOH and heating the solution to a gentle boil.
Equilibrium between the composition of Hydrogen sulphide in the gaseous and liquid phases can be represented as Yn=48.3Xn.
How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters.
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