as the equation tells you, for every mole of each one of the reactants (H2 and Cl2) is twice for HCl (because of the coefficient)
3.5 x 2= 7 (answer is B)
Answer from: Quest
The answer should be c.
Answer from: Quest
Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.
Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?