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CHEMICAL REACTIONS Chapter 4

CHEMICAL REACTIONS Chapter 4

CHEMICAL REACTIONS Chapter 4. Reactants: Zn(s) + I 2 (s). Product: ZnI 2 (s). Chemical Equations. Depict the kind of reactants and products and their relative amounts in a reaction. 4 Al(s) + 3 O 2 (g) ---> 2 Al 2 O 3 (s) The numbers in the front are called stoichiometric coefficients

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484 views • 41 slides
Chemical Reactions & Enzymes

Chemical Reactions & Enzymes

Chemical Reactions & Enzymes. Chemical Reactions. A change of one set of chemicals into another Can be slow or fast Require collisions between molecules Involves changes in chemical bonds. Chemical Reactions. Reactants: elements or compounds that enter into a chemical reaction

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703 views • 27 slides
Chemistry Review

Chemistry Review

Chemistry Review. Formation of a precipitate is a clue that a ________ has happened. Chemical Reaction. Energy cannot be _______or destroyed,. Created. A change in _______ is a clue that a chemical reaction has happened. Color. How many elements are in the following substance? COMg.

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297 views • 22 slides
STOICHIOMETRY

STOICHIOMETRY

STOICHIOMETRY. Determining Formulas. Using Stoichiometry to Determine a Formula. Burn 0.115 g of a hydrocarbon, C x H y , and produce 0.379 g of CO 2 and 0.1035 g of H 2 O . C x H y + some oxygen ---> 0.379 g CO 2 + 0.1035 g H 2 O What is the empirical formula of C x H y ?.

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324 views • 21 slides
Chemical Reactions and Enzymes

Chemical Reactions and Enzymes

Chemical Reactions and Enzymes. Chapter 2-4 Notes. Chemical Reactions. Process that changes one set of chemicals into another. Reactants->>>>> Products Bonds break>> forming new bonds * Energy is released or absorbed whenever chemical bonds are formed or broken.

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306 views • 16 slides

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