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One kilogram of iron (specific heat C=0.47J/g*K) at 100C is placed in 1Kg of water at 0C and the system is allowed to equilibrate in an adiabatic enclosure. Calculate the entropy changes in a)system, b)surroundings and c)universe on assumption that heat capacities are independent of temperature.
Iron reacts with hydrochloric acid to produce iron (II) chloride and hydrogen gas. Fe(s) + 2 HCl(aq) -> FeCl2(aq) + H2(g) How many moles of HCl will react with 4.6 moles of Fe?
the equilibruium constant Kc for the reaction A(g)+ B(g)----> C9(g) is 0.76 at 150C. If 0.800 mol of A is aded to 0.600 mol of B in a 1.00-L container at 150degrees C
What is the volume of 290. mL of oxygen gas at 112°C and 790. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
Calculate the final Celsius temperature of hydrogen chloride gas if 0.500 L at 35°C and 0.950 atm is heated
Consider the following equilibrium process at 686°C: CO2(g) + H2(g) ? CO(g) + H2O(g) The equilibrium concentrations of the reacting species.
Thermochemistry : Comparing Heat Capacity of Bricks and Water, A house is designed to have passive solar energy features. Brickwork incorporated into the interior of the house acts as a heat absorber. Each brick weighs approximately 1.8 kg
"Given the following standard reduction potentials, E°redAl3+/Al = -1.66 V. E°redCr3+/Cr = -0.74 V.
The allowable concentration level of vinyl chloride,C2H3Cl , in the atmosphere in a chemical plant is 2.4×10-6 .How many moles of vinyl chloride in each liter does this represent? How many molecules per liter?
A sample of chlorine, which has an average atomic mass of 35.86, consists of two isotopes with mass of 35 and 37. What is the percent (to 0.1%) abundance of the 37 isotope?
Determine the pressure (in atm) inside the can if a metal can of 1.00 qt contains 0.150 grams of Helium at a temperature of 20 degrees Celsius also explain Is this pressure greater or less than standard atmospheric pressure?
If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
Which do you think would be larger and why? The first ionization energy, IE1, of Ne,The second ionization energy, IE2, of Na
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