Identify the limiting and excess reactant when 6.25 g of Agno3 reacts with 5.24 g of NAOH to produce nano3 and agoh

In which situation can a mixture always be called a solution

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green