Zn(s) + 2 HCl(aq) —> ZnCl2(aq)+ H2(g) If 15.5 grams of zinc react at standard temperature and pressure (STP), how many liters of hydrogen gas would be produced?

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

The organs inside the body and how they function together