Answer:
C
Explanation:
C. a system that converts thermal energy into other useful forms of energy
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Answer:
The contact angle is the angle, conventionally measured through the liquid, where a liquid–vapor interface meets a solid surface.
Explanation:
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CaCl2 is neither an acid nor a base.
<u>Explanation</u>:
- CaCl2 is neutral. It does not ionize to make hydrogen ions, nor dissociate to give ions to hydroxide.
- Calcium chloride, CaCl2is a salt. At room temperature, it is white coloured crystalline solid and is extremely water-soluble. It can be formed by neutralizing the hydrochloric acid with calcium hydroxide.
- These compounds are used essentially to de-icing and monitor dust. It is used as a desiccant since the anhydrous salt is hygroscopic.
