Chemistry > GIZMOS > Gizmo_1_Student_Exploration_Balancing_Chemical_Equations latest 2022_Examinable (All)
Gizmo_1_Student_Exploration_Balancing_Chemical_Equations latest 2022_Examinable
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Vocabulary: coefficient, combustion, compound, decomposition, double replacement, element, molecule, product, reactant, single replacement, subscript, synthesis Prior Knowledge Questions (Do these ... BEFORE using the Gizmo.) The scouts are making s’mores out of toasted marshmallows, chocolate, and graham crackers. 1. What is wrong with the image below? There is 5 marshmallows, not enough chocolate, and not enough gram crackers 2. Assuming a s’more requires two graham crackers, one marshmallow, and one piece of chocolate, how many s’mores could you make with the ingredients shown? _____________ Gizmo Warm-up In a chemical reaction, reactants interact to form products. This process is summarized by a chemical equation. In the Balancing Chemical Equations Gizmo, look at the floating molecules below the initial reaction: H2 + O2 → H2O. 1. How many atoms are in a hydrogen molecule (H2)? _2__ 2. How many atoms are in an oxygen molecule (O2)? _2__ 3. How many hydrogen and oxygen atoms are in a water molecule (H2O)? ___2_____________ [Show More]
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