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Author Question: What best describes what happens when an acid such as HCl is mixed with water? A) The proton ... (Read 36 times)

penza

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on: Jul 29, 2018
What best describes what happens when an acid such as HCl is mixed with water?
 
  A) The proton chemically bonded to the chlorine is transferred to a water molecule and forms a chloride ion and a hydronium ion.
  B) A proton from the chlorine nucleus is ejected and captured by a water molecule to form a negatively charged HCl and a new hydronium ion.
  C) A hydroxide ion from the water is transferred to the HCl molecule to form a proton and hydronium ion.
  D) HCl is not an acid.
  E) none of the above

Question 2

Are the chemical reactions that take place in a disposable battery exothermic or endothermic? Is the reaction going on in a rechargeable battery while it is recharging exothermic or endothermic?
 
  A) An operating disposable battery is driven by endothermic reaction, while a recharging rechargeable battery is also driven by endothermic reactions.
  B) An operating disposable battery is driven by exothermic reaction, while a recharging rechargeable battery is driven by endothermic reactions.
  C) An operating disposable battery is driven by endothermic reaction, while a recharging rechargeable battery is driven by exothermic reactions.
  D) An operating disposable battery is driven by exothermic reaction, while a recharging rechargeable battery is also driven by exothermic reactions.


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Perkypinki

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


penza

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

softEldritch

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Reply 3 on: Yesterday
Gracias!

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