In an experiment forest, a sample of leaves is weighed over a one year period and is found to lose 83% of its mass. assuming first order kinectics, what is the rate constant for their decomposition

Facts about homogeneous mixtures

What types of substances would definitely be good conductors? Hydrogen would be a good conductor because of hydrogen bonding. Ionic substances would be good conductors since they dissolve in water and form ions.

The half-life of cesium-137 is 30 years. Suppose we have a 200-mg sample. (a) Find the mass that remains after t years.

A strong acid is one that: Your answer: ionizes completely in water partially ionizes in water does not ionize in wate

What does "like dissolves like" mean

Of the total base sequence in human DNA, what percentage codes for proteins? A) Nearly 50 percent B) About 5 percent C) About 90 percent D) 100 percent

When an atom of phosphorus becomes a phosphide ion (P3-), the radius decreases, increases or stays the same?

Determine the percentage composition (by mass) of oxygen in NH4NO3.

Why does aluminum have a higher specific heat than gold?

The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? A. gamma rays B. visible light C. microwaves D. radio waves E. x-rays