2AI + 6HCI → 2AlCl3 + 3H2 How many liters of H2 gas are made when 2.5 X 1022 molecules of HCI are used?
0.47
1.9
.042
3.8​

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

The mass has escaped into a gas which you can not see so the law stays true.

2licl + 3o2 i yook the test and it was correct.