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Author Question: Which one of the following is an endothermic process? A) ice melting B) water freezing C) ... (Read 169 times)

student77

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on: Aug 27, 2018
Which one of the following is an endothermic process?
 
  A) ice melting
  B) water freezing
  C) boiling soup
  D) Hydrochloric acid and barium hydroxide are mixed at 25 C: the temperature increases.
  E) Both A and C

Question 2

When a system ________, E is always negative.
 
  A) absorbs heat and does work
  B) gives off heat and does work
  C) absorbs heat and has work done on it
  D) gives off heat and has work done on it
  E) None of the above is always negative.
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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vickybb89

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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student77

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Reply 2 on: Aug 27, 2018
:D TYSM

alvinum

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Reply 3 on: Yesterday
Gracias!

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