Questions and answers by

Charleze

Questions (4)

In the reaction:n2(g) + 3H2(g) -> 2NH3(g), nitrogen is A. electrolyzed B. synthesized C. oxidized D. reduced e. None of these
1. 1 answer
2. 2,646 views
The half-life of Xe-133 is 126 hours. Starting with 250. mg, after 500 hours around how many mg remain?A. 63 B. 16 C. 32 D. 125
1. 0 answers
2. 451 views
The following reaction occurs in an aqueous acid solution:no3- + I- -> IO3- + NO2 In the balanced equation, the coefficient of
1. 0 answers
2. 1,143 views
Ba-140 has a half life of 13.0 days. What fraction of a sample of Ba-140 will remain after 39 days?A. 1/8th B. 1/16th C. 1/2th
1. 0 answers
2. 441 views