Chemistry, 22.10.2020 04:01 ehhshsh

In a laboratory where the air temperature is 22°C, a steel cylinder at 100.°C is submerged in a sample of water at 40.°C. In this system, heat flows from 1) both the air and the water to the cylinder
2) both the cylinder and the air to the water
3) the air to the water and from the water to the cylinder
4) the cylinder to the water and from the water to the air

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