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Author Question: Find H for the reaction C3H8(g) + 5 O2(g) 3 CO2(g) + 4 H2O(l). H = -2046 kJ for the reaction: ... (Read 78 times)

james

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on: Aug 27, 2018
Find H for the reaction C3H8(g) + 5 O2(g)  3 CO2(g) + 4 H2O(l). H = -2046 kJ for the reaction: C3H8(g) + 5 O2(g)  3 CO2(g) + 4 H2O(g), and the heat of vaporization of water is 44.0 kJ/mol.
 
  Note that H2O is a liquid in the first reaction and a gas in the second. A) -2222 kJ
  B) -2090 kJ
  C) -2002 kJ
  D) -1870 kJ

Question 2

What volume (mL) of a concentrated solution of magnesium chloride (9.00 M) must be diluted to 350. mL to make a 2.75 M solution of magnesium chloride?
 
  A) 2.75
  B) 50.0
  C) 45.0
  D) 107
  E) 350
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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zhanghao

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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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james

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Reply 2 on: Aug 27, 2018
:D TYSM

tkempin

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Reply 3 on: Yesterday
Gracias!

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