Ihave a test soon! the reaction between the limestone and hydrochloric acid produces carbon dioxide as shown in the reaction.
caco3(s) + 2hcl(aq) + co2(g) + cacl2(aq) + h2o(l)
how many grams of co2 can be made by reacting 112 g of caco3 with 112 g of hci?
how many grams of hcl are left over?

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

Isec i will do it and them i will let you know

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