Which equation represents a single-replacement reaction? a. mg + 2hcl → mgcl2 + h2 b. co2 + h2o → h2co3 c. agno3+ hcl → agcl + hno3 d. ch4 + 2o2 → co2 + 2h2o

What is the maximum number of electrons that an atomic orbital can contain?

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes

What are the similarities of physical and chemical change ?