Seperated 7. A student mixed oxygen gas and gold in a beaker and nothing happened. Is the
material in the beaker a compound? Give a reason for your answer

Fossil fuels are organic compounds that are made from

What does a numerical subscript following an element in a chemical formula mean?

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.