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Chemistry (Vocabulary (Mixture (milk and chocolate syrup is a mixture.…
Chemistry
Vocabulary
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Temperature
Thermal Energy
Thermal energy comes from the kinetic energy of the molecules. As the kinetic energy (the motion) of the molecules increase, they will become 'hotter' and the molecule will have more thermal energy and vice versa.
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Ps1-1 Develop a model to describe that (a) atoms combine in a multitude of ways to produce pure substances which make up all of the living and nonliving things that we encounter, (b) atoms form molecules and compounds that range in size from two to thousands of atoms, and (c) mixtures are composed of different proportions of pure substances.
PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
PS1-4. Develop a model that describes and predicts changes in particle motion, relative spatial arrangement, temperature, and state of a pure substance when thermal energy is added or removed.
PS1-5. Use a model to explain that atoms are rearranged during a chemical reaction to form new substances with new properties. Explain that the atoms present in the reactants are all present in the products and thus the total number of atoms is conserved.
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Products + Reactants
Reactants
for example the reactant is one carbon atom and 2 oxygen atoms... what will come out is CO2 or carbon dioxide.
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