The given example is a chemical reaction.
The contents (separated as reactants and products) :

The written reaction is :

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Answer:
3
Explanation:
The mass has 4 sig digits.
The volume has 3 sig digits
The density is = 11.50/9.03 = 1.2735
To 3 sig digits (determined by 9.03) the answer would be 1.27 gram/mL
This set up of a conversion table should show you that if you multiply
the grams of BeI2 times .02 moles, it equals <span>5.256 g (your answer) </span>
Answer:
D. The piece of bread travels with straight- line horizontal acceleration.
Explanation
Answer:
It is used as a catalyst.