- What is the difference of oil shale from kerogen and spent shale?

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Use VSEPR theory to predict the shape of a COCl2 molecule where C is the central atom? Consider the circuit shown in Figure 20-39 (R1 = 6.00, R2 = 20.0, R3 = 3.0).? How Can i simplify these radicals 1. 1 / *cube root of * 4 2. *6th root of * 320x^6 / *6th root of* 5x^16? Calculate the pressure of gas at 277 K if the concentration is 0.150 mol/L? Solve for w x y and z: x +w =18
x + y = 10
y+ z =15?

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