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What is the scientific name for human ? A box contains one each $1, $5, $10, $20 and $100 bills. You reach in and withdraw one bill. What is the expected value? Is IR helpful to prove that limonene is optically active? Why or why not? Help me to show this number theory problem please? Will a precipitate form if 40 mL of 1 * 10^-4 M HgNO3 is mixed with 20 mL of .005 M K2CrO4? The Ksp of HgCrO4 = 1 * 10^-7?