Zinc metal reacts with hydrochloric acid to produce zinc chloride and hydrogen gas.

a. Balance the following reaction:
Zn(s) + HCl(aq) → ZnCl2(aq) + H2(g)

b. A 3.50-g sample of zinc metal is allowed to react with 2.50 g of hydrochloric acid.

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

How does the viscosity of magma change as magma cools?