The reaction of Zinc (Zn) with hydrochloric acid (HCl) creates zinc chloride (ZnCl) solution and hydrogen gas (H2). If 2.56 grams of zinc reacts with excess HCl, what volume (in L) of hydrogen gas will be produced at 1.05 atm and 23oC? Zn + HCl -> ZnCl2 + H2

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

Aseismic wave is energy released as the result of rock movement along a fault. t or f ?

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.