It takes 36 minutes for 100-grams of a radioactive substance to decay to 25-grams. What is the half-life of this substance?
2 answers:
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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.