- Simplify(p^2 – 3) – (5 – p + 2p^2)–(4p + 5 – 2p^2). What is the coefficient of p^2?

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At what distance from the earth's Center is the gravitational acceleration 4.9m/s^2? how far is this above the Earths Surface? A 25.00 mL sample of NaOH is titrated with 17.13 mL of 0.3150 M sulfuric acid. What is the concentration of the NaOH solution? How do I calculate the chemical formula of iron (ii) sulfide? If 2.29 g of CuNO3 is dissolved in water to make a 0.780 M solution, what is the volume of the solution? Water molecules are polar with what?