Calculate the molar concentration of (SO4)2 in a solution that contain 57.2ppm of Fe2(SO)3 ,(400g/mole)

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

I’m an electrically neutral atomic any element, there are equal numbers of

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c