Iron-59 has a half-life of 44 days. Assume you started with 24 mg of iron-59 and 132 days, which is equivalent to 3 half-lives, has passed. How much iron-59 remains?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

What is a property of a double replacement reaction

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of