Lead will react with hydrochloric acid to produce lead (II) chloride and hydrogen.

How many moles of hydrochloric acid (HCl) are needed to completely react with 0.36 moles of lead?

Pb + 2HCl -> PbCl2 + H2

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o