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Which size of spray tips is more better for 150mm diameter pipe to control the loss factor? ET is (probably)out there – get ready ted talk. What is your opinion of this ted talk? Find the sum to n terms of the series, 2+4(1/5)+6(1/5)²...,and deduce the sum to infinity.? If the question asks decipher ▽e2▽Δ12Δ17194322b7 What am I supposed to do? 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?