A scientist measures the standard enthalpy change for the following reaction to be -47.7 kJ : C2H4(g) + H2O(g)CH3CH2OH(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of C2H4(g) is kJ/mol

How many miles of calcium oxide will be produced when 1.6 miles of iron (iii) oxide react with calcium phosphate

Word equation for k(s) +h2o(l) yield koh (aq) + h2

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.