1. What mass of Ba(OH)2 is needed to add to 1.50 kg of water to make a 5.50 m solution?

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

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

Match the mixture with the substance// i really need on this guys (it’s a pic btw)