Chemistry, 17.11.2020 03:00 adriantheclashroyaln
PLEASE HEL (for science)
Nora notices water droplets on the grass in the morning. It did not rain during the night. Which statement is true about this change of state?
1. Mass was added to the water particles, resulting in a deposition.
2. Energy was added to the water particles, resulting in evaporation.
3. Mass was removed from the water particles, resulting in sublimation.
4. Energy was removed from the water particles, resulting in condensation.
Answers: 3
Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 16:00
How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
Answers: 2
Chemistry, 23.06.2019 08:00
Can anyone answer these questions? ? i need it before 1: 00pm today
Answers: 1
PLEASE HEL (for science)
Nora notices water droplets on the grass in the morning. It did not rain d...
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