to see if its copatible with our environment or to see if there is any unkown element, otherwise i dont know
if wrong very sorry
Answer:
a.
△H=−72 kcal
The energy required for production of 1.6 g of glucose is [molecular mass of glucose is 180 gm]
b.

The iron(III) ions and chloride ions remain aqueous and are spectator ions in a reaction that produces solid barium sulfate.
40.0 is the answer, sorry, I had some lag, I would've answered it like 5 minutes ago
Hope I helped
The metalloids are mostly concentrated in groups 14, 15, and 16. (Some simpler charts will show them as 4A, 5A, and 6A - take a look at the top of the periodic table your class uses to double-check).
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