An experiment to investigate the reactivity of zinc, a piece dropped into a test tube containing
facid. The experimental set-up
experimental set-up is illustrated below.
dilute hydrochloric
MOO
Dilute hydrochloric aad.
Bubbles
Zinc
o Write a balanced equation for the reaction that occurred in the
experiment
1) Name the
gas evolved​

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?