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Rasek [7]
3 years ago
6

► List three industrial applications for each elements in the alkali metals series.​

English
1 answer:
sweet-ann [11.9K]3 years ago
3 0

Answer: The uses are as follows :D

1. Lithium: heat resistive ceramics, aircraft building, tritium production

2. sodium: coolant in nuclear reactors, soap making, street light manufacture (e.g. sodium vapor lamps)

3. Potassium: tanning of leather, manufacture of inks, making gunpowder

4.  Rubidium: thermoelectric generator, making atomic clocks, working fluid in vapor turbines

5. Cesium: catalyst for hydrogenation of some organic compounds, vacuum tubes, photovoltaic cells

6. Francium: extremely radioactive and extremely rare so not used often

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Answer:

The correct answers are A and B.

A)  It states how Van Lew acted as an important leader and manager at a time when women were generally discouraged from taking on those roles.

B)  It shows that Van Lew was dedicated to a cause outside of her family and worked hard for her beliefs.

Explanation:

In the excerpt, the author develops two main ideas.

First, the author explains that Elizabeth Van Lew was a spymaster who was running a great network agents, couries and safe houses during the world war, which was not a common role for women in 19th century. She indeed played as an important leader and role model for women.

Secondly, the author suggests that Elizabeth Van Lew dedicated her life to being the leader because she believed in this cause. She even used her house for the duty and went past the family limitations which restricted the most women in that age.

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Explanation:

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  3. One thing is like another – simile. The simile introduces the comparison with a word such as "like" or "as." "He eats like an ogre" could be an example.
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