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Author Question: When the ethane and propane components of natural gas are cracked, two new compounds are formed ... (Read 78 times)

burchfield96

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on: Aug 27, 2018
When the ethane and propane components of natural gas are cracked, two new compounds are formed which are essential monomers used in making plastics. These substances are ________.
 
  Fill in the blank(s) with correct word

Question 2

Which of the following is a statement of Hess's law?
 
  A) If a reaction is carried out in a series of steps, the H for the reaction will equal the sum of the enthalpy changes for the individual steps.
  B) If a reaction is carried out in a series of steps, the H for the reaction will equal the product of the enthalpy changes for the individual steps.
  C) The H for a process in the forward direction is equal in magnitude and opposite in sign to the H for the process in the reverse direction.
  D) The H for a process in the forward direction is equal to the H for the process in the reverse direction.
  E) The H of a reaction depends on the physical states of the reactants and products.
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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tdewitt

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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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burchfield96

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Reply #2 on: Aug 27, 2018
Thanks


tdewitt

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Reply #3 on: Aug 27, 2018
Welcome :)


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