A ring reacts with compounds containing sulfur in the air to form silver sulfide, a black substance that makes up the tarnish on the surface of silver objects. to remove the tarnish from the ring, students placed it in a pan lined with aluminum foil and added hot water. baking soda was added to the hot water and stirred. students made observations about the process. which observation of this process provides evidence of a chemical reaction
Answers: 1
Chemistry, 22.06.2019 21:30, rileydavidharless
Which substance can be broken down by chemical means
Answers: 1
Chemistry, 23.06.2019 03:40, ElegantEmerald
The following questions a24 - a26 relate to 100 ml of 0.0150 m solution of benzoic acid (c6h3cooh). ka(c6h3cooh) = 6.4 x 10^-5. what is the ph of the solution after the addition of 1 x 10^-3 moles of naoh? you may assume no volume change to the solution upon addition of the naoh.
Answers: 2
A ring reacts with compounds containing sulfur in the air to form silver sulfide, a black substance...
Social Studies, 20.08.2019 14:50
Mathematics, 20.08.2019 14:50
Mathematics, 20.08.2019 14:50
Physics, 20.08.2019 14:50
Biology, 20.08.2019 14:50