Introduction to Chemical Reactions Answers

When liquid silver nitrate and liquid sodium chloride are combined, solid silver chloride forms along with a new liquid, sodium nitrate. Which substance represents the precipitate?

A Venn diagram is used to compare and contrast different topics. The items that are unique to each topic are represented in the separate sections of the circles, and the items that are common to both topics are represented in the center overlapping sections. Harlow creates this Venn diagram comparing and contrasting endothermic and exothermic processes.

Which is an example of a chemical reaction?

Pedro wants to create a chemical reaction between oil and water. He adds oil to a beaker of water and notices that the liquids do not mix. He then shakes the beaker and the drops of oil become suspended through the water for a few moments before returning to their separate layers.

Theresa creates an experiment where she mixes two red-colored substances together in a container and observes the solution slowly changing from red to blue for the next eight minutes. The solution becomes completely blue after eight minutes.

When baking soda and vinegar react, the surface bubbles. What does this most likely indicate?

Which best describes what happens to the atoms in a chemical reaction?

Which of these most likely represents a chemical change?

Which is evidence that a chemical reaction has likely occurred?

When vinegar and baking soda react, the mixture becomes cold to the touch and a gas and a new liquid substance are formed.