A meteorite contains 80 grams of radioactive chemical 'Q' when it lands on the Graeters in Worthington. By the time NASA gets to the site (18 hours later), the sample is only 10 grams.

Just took the quiz on edgenuity and the correct answer is "c.  4.54 x  10–12  j"

The ratio is 3: 2. i.e. c.

The breaking apart of glucose, which involves spontaneous reactions 

Electron equations of the given changes are as follow,a)                              cu      →      cu⁺²  + 2e⁻b)                              mg⁺²  +  2 e⁻      →      mgc)                              cl⁻    →      cl  +  1e⁻d)                              s  +  2 e⁻    →      s²⁻e)                                o²⁻      →      o  +  2 e⁻f)                              p  +  3 e⁻    →      p³⁻g)                              fe²⁺    →      fe³⁺  + 1 e⁻h)                              s²⁻    →      s⁴⁺  +  6 e⁻