How much energy (in kJ) is needed to raise 125 g of water from 20.0°C to 105°C? 44.5 kJ
10.600 kJ
10.6 kJ
1.47 kJ

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

How many moles are contained in 5.6 l of h2 at stp