If a sample initially contains 100 g of a radioactive isotope, how much will be left after 3 half lives? question 1 options: 50 g 25 g 12.5 g 6.25 g

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Try to reduce the amount of leftover ingredients by changing the amount of one, two, or all three starting ingredients. show your stoichiometric calculations below. water 946.36 g sugar 196.86 g lemon juice193.37 g

Asap what is the temperature when the volume is 700 ml? a 500 k b 200 k c 600 k d 700 k