Which of these are measures of quantity?
3 moles of sand grains on a beach
25-pound bag of sugar
16 gigabytes of memory
2-liter bottle of soda

Ineed with my science work! it’s due tomorrow!

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

What is a property of a double replacement reaction