For the reaction 2 Al + 6 HCl → Al2Cl6 + 3 H2
how much hydrogen can be formed when 82 g
of aluminum reacts with excess hydrochloric
acid?

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

50 pts plz what is the physical state of matter of baking soda.

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.