The half-life of a certain radioactive material is 42 days. an initial amount of the material has a mass of 49 kg. write an exponential function that models the decay of this material. find how much radioactive material remains after 8 days. round your answer to the nearest thousandth.

Why is silver chloride is an ionic compound

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

If 10.5 l of a at 0.98to 1.50 , is ?