What is a eutectoid?

Iodide-131 decays with half life of 8.02 d. In a Sample initially containing 5.00 mg of I 131, what mass remains after 6.01 d?

A specific steroid has λmax = 259 nm and molar absorptivity ε = 11,500 l mol-1 cm-1. what is the concentration of the compound in a solution whose absorbance at 259 nm is a = 0.065 with a sample pathlength of 1.00 cm?

372x75*46+1*57*38+8=

Estimate the molar mass of a gas that effuses at 1.6 times the effusion rate of CO2

What happens when an electron falls to a lower energy level? Question options: The electron absorbs energy. The electron releases energy. The electron takes on a higher frequency.

Which can associate a suspect's gun with a crime?

In which era did the first fish appear? a. Carboniferous b. Paleozoic C. Mesozoic d. Permian

How are electrons excited and what happens when the electrons relax

What is the molarity of a solution that is made by dissolving 3.68 g of sucrose (c12h22o11) in sufficient water to form 275.0 ml of solution?

A straight line on a speed-time graph means the speed is constant. this means the speed is not changing over time. how is this different from a distance from a distance-time graph?