Gizmo Warm-up
A chemical change. (or chemical reaction) occurs when one
or more substances, c...
Chemistry, 12.01.2021 20:00 jisalinas5576
Gizmo Warm-up
A chemical change. (or chemical reaction) occurs when one
or more substances, called reactants, are transformed into
different substances, or products. In the Chemical Changes
Gizmo, you will look for evidence of chemical changes by
looking at changes you can see, touch, or smell.
To begin, check that Reactant 1 is Sodium and Reactant 2
is Water. Sodium is a metal so soft you can cut it with a knife.
1. Click Play ( ). What do you observe?
2. Do you think a chemical reaction has taken place? Explain.
Answers: 3
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Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?
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