maya investigates the reaction between calcium carbonate and hydrochloric acid. she adds dilute hydrochloric acid to some calcium carbonate ( marble chips), temperature. she collects the gas given in a gas syringe . suggest one safety hazard in this experiment. how can maya reduce the risk from hazard

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Condensation happens when water vapor cools. true or false? ?

Why do oxygen have a strong attractive force for electrons