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Calculate ΔHrxn for the following reaction:
CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g)
Use the following reactions and given ΔH′s.
C(s)+2H2(g)→CH4(g)ΔH=-74.6kJ
C(s)+2Cl2(g)→CCl4(g)ΔH=-95.7kJ
H2(g)+Cl2(g)→2HCl(g)ΔH=-184.6kJ
Explain the solubility of AgCl(s) in water at 25 C is 1.33*10^-5 mol/L and its H of solution is 65.7 kj/mol. Explain what is its solubility at 45.6 C
Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one cubic centimeter of mercury?
The standard molar enthalpy of fusion of ice is 6.01 kJ/mol. The desities of ice and liquid water at 0 degree celcius are 0.9167 and 0.9998 g/cm3.
Outline the three resonance structures, as well as assign a formal charge to each atom. Explain which one of your structures is the least important
The change in enthalpy (delta S standard) for a reaction is -31.7 kJ/mol. The equilibrium constant for the reaction is 4.4×103 at 298 K. What is the equilibrium constant for the reaction at 644 K
Generate the equilibrium constant expressions for the following reaction. Calculate the numerical value for
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Compute the molarity of a solution prepared by dissolving 15.2 grams of CaCl2 in H2O with a solution volume equal to 5.00 x 10² millimeters.
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction isZn2+(aq)+2e??Zn(s)
A buffer consists of 0.20 M KHCO3 and 0.44 M K2CO3. Carbonic acid is a diprotic acid with Ka1 = 4.5 multiplied by 10-7 and Ka2 = 4.7 multiplied by 10-11. (a) Which Ka value is more important to this buffer
The products of the fastest inactivation process are as explain the mechanism is accountable for the making of the products.
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