c. Use the table space below to calculate k by linear regression. . c(NiCl₂) (M) 0.273 0.2047 A 0.601 0.451 0.1365 0.300 0.0682 0.151 ΣCA = k = ECA/Ec²= Text CA 0.164 0.092 0.041 0.010 Text c² 0.075 0.042 0.019 0.005 Ec²= Text

3. Fe and FeQ are in equilibrium with gas mixture of composition 71.8% CO-28.2%CO2 at 1273K. Which of the two solid phases disappears if the composition of the gas is held constant and temperature of the system is increased? Fe(s)+1/2O2(g)=FeO(s) AG=-2 0=-263700+64.35T ammmm C(s)+O2 (g)= CO2(g) AG=-394100-0.84T C(s) + 1/2O2 (g) = CO AG=-111700-87.65T

15) please see attached

4. Using the phase diagram below for the ternary system of NH4CI / (NH4)2SO4 / H20, fill out the table of mole fractions for each component. Additionally, label point E on the phase diagram. Point XNH,CI X(NH,),SO, XH,0 A B D 0.3 0.7 H,0 0.2 P= 1 FA 0.8 0.4 BA P=2 0.6 0.6 P= 2 0.4 P= 3 0.8 0.2 NH,CI o (NH,),SO, 0.2 0.4 0.6 0.8

What is the value of C_p for Cl_2, vapor using the full statistical theory at 298 K. v_0 = 559.7 cm^-1

6. To purify water which has iodine in it, one can use extraction with CCI4. The equation can be written as I2 (aq) S I2 (CCL). What is the partition coefficient? 1 b. K =. K=[1,L, a. K = с. К3. d. 1 %3D е. 7. Consider the unbalanced chemical equation CaCO; + H3PO4 smallest integer coefficients, the coefficient for CO, is Ca3(PO4) 2 + CO2 + H2O. When the reaction is balanced with a. 1 b. 3 с. 5 d. 7 e. none of these

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I have set up my spreadsheet using this sample data and reproduced the result with a pKa of 4.64. true or false

Form the following data for CH3CI T(°C) Y (dynes/cm) PL (g/cc) pv (g/cc) 10 20 19.5 17.8 16.2 0.955 0.937 0.918 0.00599 0.00820 0.0110 a) Determine the constant k in the Ramsay-Shields equation and the critical temperature of the liquid using the data for temperatures 0 °C and 10 °C. b) Determine the constant k' in the Katayama equation and the critical temperature of the liquid using the data for temperatures 10 °C and 20 °C.

For the eqbm: A + 2B 3C+ 2D, if some A is added to the system the quantity of C will rise. ) True O False