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Explain why phospholipids spontaneously form a bilayer when mixed with water? 1. Because the polar tails come together in the inside of the membrane; 2. because the polar head groups come together; 3. because they have one end that is polar and another that is non-polar

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.21 kg sample of a pure substance from 34.3°C to 47.6°C. The experiment shows that 75.6 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 3 significant digits.

When the torque converter is not in lock up engine power is transmitted to the driveline through