2.Calculate the total volume of water and of 0.4949 M NH3 solution needed to create 25.0 mL of 0.100 M NH3 solution. Also calculate the total volume of water and of 0.2487 M H2SO4 solution needed to create 25.0 mL of 0.100 M H2SO4 solution. Note: you will be using these volumes for your lab, so keep the graduated cylinders available in Beyond Labz in mind for your final answers.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

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.

Will mark brainliest how many electrons can be held in the energy level n = 4?