Which of the following chemical equations violates the law of conservation of mass? (1 point) li2so4 + 2ca(no3)2 yields 2lino3 + 2caso4 ti + 2cl2 yields ticl4 2c2h2 + 5o2 yields 4co2 + 2h2o mgso4 + 2naoh yields mg(oh)2 + na2so4

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

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.