Chemistry, 09.04.2021 02:00 emilyjohnna11
Many watches are powered by small, flat batteries called button cells. One
common type of button cell contains the metal zinc. When zinc in the battery
combines with oxygen in the air, zinc oxide forms. This process generates the
electricity that powers the watch. Name the reactants in this chemical reaction
Answers: 3
Chemistry, 22.06.2019 09:00, lrasanaoaksandfurana
Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
Answers: 1
Chemistry, 22.06.2019 18:00, Jazmineboo7709
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
Chemistry, 23.06.2019 00:30, quintink
How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw
Answers: 2
Many watches are powered by small, flat batteries called button cells. One
common type of button ce...
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