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X = -√ 3 is a zero of the polynomial f(x) = -2(x^2 + 3)^3. Is this true or false? Enthalpy change for the first reaction?
P4 + 6Cl2 → 4PCl3 ΔH = P4 + 10Cl2(g) → 4PCl5(s) ΔH = -1,777.5
PCl3(l) + Cl2 → PCl5(s) ΔH = -127.2? Calculate the pH of 5.2x10^-4 M HNO3? What is the domain and range for the function: g(x)=-1/2f(x/4)+2? What volume in dm^3 of KCl is obtained in the equation 2KClO3 -> 2KCl + 3O2 Answer: 2 dm^3. Please show method?