- Does the equation x^2+y=144 define y as a function of x?

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What about oxidation reaction charge? What is the partial pressure of N2 in a mixture of N2 and O2 having a total pressure of 1075 torr if the partial pressure of O2 is 720 torr? A 25.0mL solution containing .60M HCl was titrated with 0.50M NaOH. Calculate the pH before the titration and at equivalence point? ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ? Multiply matrices A and B of any sizes legally (no size compatibility requirment). What kind of matrix multiplication am I?