Weathering and erosion are processes that constantly change Earth’s surface. How do weathering and erosion differ?

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?