cuantos kg de etanol hay en 45 litros de una disolución de gasohol que contiene 80% en masa de gasolina 80% en masa de etanol, densidad del gasohol es 0.75g/ml

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

When the water vapor cools it condenses select a number that represents his process on the

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.