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Author Question: The concentration of which greenhouse gas has increased steadily over the last few decades? A) ... (Read 86 times)

genevieve1028

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on: Aug 27, 2018
The concentration of which greenhouse gas has increased steadily over the last few decades?
 
  A) H2O
  B) CO
  C) CO2
  D) H2O2
  E) O2

Question 2

The spectator ions in the reaction between aqueous hydrofluoric acid and aqueous barium hydroxide are ________.
 
  A) OH-, F-, and Ba2+
  B) F- and Ba2+
  C) OH- and F-
  D) Ba2+ only
  E) H+, OH-, F-, and Ba2+

Question 3

The pH of a 0.30 M solution of a weak acid is 2.67. What is the Ka for this acid?
 
  A) 2.1  10-4
  B) 4.4  10-4
  C) 1.5  10-4
  D) 6.6  10-4
  E) none of the above
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Ksh22

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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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genevieve1028

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Reply #2 on: Aug 27, 2018
TY


Ksh22

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Reply #3 on: Aug 27, 2018
You're welcome


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