What is the amount of matter in an object? O Kilograms O Mass O Volume O Weight

Which is the most likely way an automotive engineer would use chemistry

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li