Answer:
The lids should not be put back on the waste containers because the reaction waste is still generating hydrogen gas that would get trapped in the container.
Explanation:
Camphor is reduced to isoborneol by dissolving camphor in ethanol in erlenmeyer flask
. This reaction is followed by addition of excess sodium borohydride in small portions
. The reaction mixture is left for 10 minutes and heat is then applied to the reacting mixture. Therefore for safety purpose, during heating, the lids should not be put back on the waste containers because the reaction waste is still generating hydrogen gas that would get trapped in the container.
The reacting mixture is then poured into a beaker of ice water afterwards and Vacuum filtration and blotting dry is used to collect the precipitate instead.
Answer:
10. Dora es alta, bonita, y simpática.
11. Tú estas aquí.
12. Yolanda y yo estamos tristes.
two definitions possibly fit that
"decimos"
"nosotros decimos"
Answer:
The right answer is, D. Tantos, como.
* En la cuidad hay tres puentes y hay tres cruces de calles. En la ciudad hay tantos puentes como cruces de calle.
Explanation:
Because according to the context of the prayer an address is being described in the city, and it tells us that there are the same number of bridges and streets, we must take into account the number, and the gender in the sentence, therefore, the description that correctly describes the above situation is D.