If it takes 45 mL of 0.05 M HCl to neutralize 110 mL of NaOH solution, what is the concentration of the NaOH solution?

Predict the products butane (c4h10) + oxygen —>

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.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?