Iodine-131 is a radioactive isotope, and is often used in certain medical treatments. It
has a short half-life of about 8 days. If a hospital has a 750mg sample of it available,
how much would be available after 48 days?

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Calculate the number of moles of ethane in 100 grams

What volume would 2.25 moles of ne has occupy at stp?