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Q7: Which of the following elements behaves chemically
Q15: The work done on the surroundings
Q35: What is the formal charge on phosphorus
Q61: What mass of Li<sub>3</sub>PO<sub>4</sub> is needed to
Q65: Determine the number of moles of
Q66: Give five examples of compounds that exist
Q77: Given the following melting point data, what
Q105: At 25°C, the standard enthalpy of
Q115: For phosphorus atoms, which ionization energy will
Q138: An atom of helium has a mass