What is the measure of the concentration of hydrogen (H+) ion or (H2O+) ions in a solution known as? O scale
O acidity
O basicness
Орн

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

What layer of the atmosphere is directly above the troposphere?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: