Determine the molarity of a solution prepared by dissolving 4.50 mol of nh4cl in sufficient water to make 2.00 l of solution.

Which of the following is an example of a pure substance? A. air B. salt water C. granite D. aluminum

Pick an appropriate solvent to dissolve a glucose (polar b salt (ionic cvegetable oil (non polar? d sodium nitrate (ionic

What are 3 pros and cons of nuclear transmutation?

What is the lowest energy level that contains d orbitals? A. 3 B. 4 C. 2 D. 1

24g copper is submerged in water in a graduated cylinder, and the total volume increases by 2.7 mL. who's is the density of copper?

What is the H3O + ion concentration of a solution that has an OH - ion concentration of 1.0 * 10^-3M? A) 1.0 * 10^-3M B) 1.0 * 10^-7M C) 1.0 * 10^-11M D) 1.0 * 10^-14M

Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? 6 C 12.01 Carbon 1 H 1.01 Hydrogen 8 O 16.00 Oxygen A. 4 B. 6 C. 8 D. 12

Most mutagens have what kind of an effect on an organism?

According to the hess's law, the enthalpy of solution is: δhsoln = δhsolute + δhsolvent + δhmix. considering dissolving a small drop of nonpolar pentane oil in water which term (s) in the equation will experience the largest enthalpy change.

Solve for x: ln x = 0.863. Report your answer to 3 significant figures.