No one has ever seen an atom, however, we have a pretty good idea of what the atom looks like. We use evidence from experiments to create a model of the atom. This model includes protons, neutrons and electrons. Learn more about the atom and some cool discoveries like the Scanning Tunneling Microscope in this video.
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Electrolysis is a process that uses electricity to split water molecules into hydrogen and oxygen gas. In the process, acid and base is also formed. We can visualize the production of acid and base using an acid base indicator.
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https://www.youtube.com/watch?v=FHZcRpnLj8A
Rust (Fe2O3) is produced when iron reacts with oxygen according to the following balanced chemical equation.
4Fe + 3O2 = 2Fe2O3
How many grams of rust are produced when 12.0 g of iron rusts?
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https://www.youtube.com/watch?v=nJnGadqzEWM
Chemistry homework in 3 minutes or less!
Josh Kenney explains how to convert between moles and grams. This is the second video in an 8 part series on converting units in Chemistry.
Mole Map: https://drive.google.com/file/d/1OgJv8mZVEtk4IxeHEFyEY6AO-U-vaNio/view?usp=sharing
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https://www.youtube.com/watch?v=t_EcEK3UhPE
If 12.32 g of chlorine (Cl2) reacts, how many grams of aluminum chloride (AlCl3) are produced?
2Al + 3Cl2 → 2AlCl3
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https://www.youtube.com/watch?v=AImTKDeECDM
A collision is a great example of conservation of momentum.
In this video we will talk about elastic collisions, inelastic collisions and partially elastic collisions.
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https://www.youtube.com/watch?v=_FBCxuGtGEw
Distance is a measurement of length between two points. Displacement is a overall change in position of an object. Distance does not include a direction whereas displacement does include a direction.
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https://www.youtube.com/watch?v=V8hJhTE3bUk
What is the energy of a photon of microwave radiation that has a frequency of 3.20 x 1011 Hz?
In 1900 physicist Max Planck explained how objects change color as they heat up by assuming the energy of an object changes in small discrete packages called quanta. Essentially, a quanta is the smallest unit of energy just like an atom is the smallest unit of matter.
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https://www.youtube.com/watch?v=o4ORqdT-Znw
Balance the following chemical equation
N2 + O2 → N2O5
When balancing chemical equations, we change the coefficients (the numbers in front of each chemical formula in an equation) so that the total number of atoms of the products are the same as the reactants.
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