Chemistry, 16.10.2020 15:01 faithtunison
14. A silver 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?
a. hot water heater the aluminum foil
b. the liquid solution changed color
c. hot water cooled
d. the pan was lined with aluminum foil
I need this ASAP I'm in a test
Answers: 1
Chemistry, 22.06.2019 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
Chemistry, 22.06.2019 16:50
Which element is least likely to undergo a chemical reaction
Answers: 3
Chemistry, 23.06.2019 03:50
Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer
Answers: 1
14. A silver ring reacts with compounds containing sulfur in the air to form silver sulfide, a black...
English, 26.08.2020 23:01
English, 26.08.2020 23:01
Biology, 26.08.2020 23:01
Mathematics, 26.08.2020 23:01
Computers and Technology, 26.08.2020 23:01
Mathematics, 26.08.2020 23:01
Mathematics, 26.08.2020 23:01