What is the organic acid present in vinegar? (write in letter of correct answer)
ID: 973616 • Letter: W
Question
What is the organic acid present in vinegar? (write in letter of correct answer) formic acid acetic acid benoic acid hydrochloric acid sulfuric acid What kind of reaction is indicated below? (write in letter of correct answer) cu (OH)_2(s) rightarrow CuO_(3) + H_2O_(I) single replacement double replacement combination decomposition What should you do if the fire alarms sounds during your laboratory period? ln the Cycle of Copper Reactions, the last step involves copper ion and elemental zine as shown. Which reactant got oxidized? (write in letter of correct answer) Cu^+2_(aq) + Zn_(s) rightarrow Zn^+2_(aq) + Cu(a) When electrons are lost in a chemical reaction, the process is called a(n) when electrons are gained in a chemical reaction, it is called a(n) in the blanks with the best words.)Explanation / Answer
21.
Answer is (B) Acetic acid.
The acid present in vinegar is acetic acid (CH3COOH) also known asethanoic acid, it is an organic acid that gives vinegar its sour taste and pungent smell.
22.
Answer is (D) Decomposition
Decomposition AND acid-base.
23.
If a fire alarm sounds you must evacuate the building at once.
There are alarm switches in the laboratory. It is unlikely that you will need to use them, since the laboratories are all equipped with several smoke detectors. But you should locate them and look at them so you know how they work.
24.
Answer is (B)
Zn(s) goes to Zn+2 (aq). That is electrons are lost, which is oxidized.
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