How many moles are in 265.0 L of Carbon monoxide at STP?

What overall charge must all compounds have

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.