- What is the solution of the equation x^2+8x=4?

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Cuál es la diferencia al decir “1 mol de átomos de cloro” y “1 mol de moléculas de cloro”? Use average bond enthalpies to calculate the enthalpy change for the following gas-phase reaction. H2(g)+I2(g) ->2HI(g)? By completing the square, find in terms of k the roots of the equation.
x^2+2kx-5k=0? Explain why flowers are a key part to a plant’s survival? How many ml of 10.0M HCl do I need to add to 100ml of 1.00M NaOH to get a solution with pH = 7?