You are given a mixture of sand, iron nails, and salt water. devise a plan for separating this mixture. identify how you will separate each part of the mixture, and the physical properties that allow you to do this.

Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3no2(g)+h2o(l)→2hno3(l)+no(g) part a suppose that 4.2 mol no2 and 0.50 mol h2o combine and react completely. which reactant is in excess? express your answer as a chemical formula. nothing

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

How have the greenhouse gasses increased from the year 2000 to 2018