a 10kg quantity of radioactive isotope decays to 5kg after 17 years. Find the decay constant of the isotope

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

What is the molar mass of potassium nitrate, kno3

What is the mass of 0.46 mil of mgcl2