Rosa was looking for patterns to help predict the products of chemical reactions. She recorded three similar decomposition reactions in the table.What products should she record in the last row of the table?

Which clue can be used to identify a chemical reaction as a replacement reaction?
Which is produced in a synthesis reaction?
What is produced during the replacement reaction of Ba(NO3)2 and Na2SO4?
What else is produced during the combustion of propane, C3H8?

Luis is helping his parents paint a border around the walls of a room. He uses a stencil to repeat the same design on each wall to form one long grapevine with a bunch of grapes every foot along its length. What type of chemical reaction does this best model?
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When Coach Kwan notices that a player is getting tired, she takes out the tired player and substitutes a fresh player. Which type of chemical reaction does this best model?
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