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Q42: The value of ΔG° at 25 °C
Q43: The entropy change accompanying any process is
Q62: The reaction shown below is responsible for
Q115: Which element in group 6A is not
Q119: What radioactive element is used to diagnose
Q129: Of the atoms below,_ is the most
Q131: The minimum number of carbons necessary for
Q141: The half-life of <sup>218</sup>Po is 3.1 minutes.How
Q159: Which of the following statements is (are)false?<br>A)The
Q192: The oxidation number of B in B<sub>2</sub>O<sub>3</sub>