Using the equation 2h2+o2--> 2h2o if 19 g of oxygen reacts completely, how many grams of hydrogen must react with it? question options: 4.8 3.6 1.2 2.4

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

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.

What statement goes against the kinetic theory of gases