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Burbank Spiral 8.5E

Last updated about 3 years ago

2 questions

1

SCI.8.5e

1

Question 2

2.

Two solutions are mixed and react to produce the solid precipitate AgCl. The chemical reaction is shown by the balanced chemical equation.

How many grams of NaCl are required to produce this reactions outcome? Only answer with a numerical value.

SCI.8.5e

Question 1

1.

Which of these observations is an indication that a chemical reaction has occured?

Steam form above boiling water

A solid forms when a clear liquid is frozen 

A solid forms when two clear liquids are mixed 

Sugar crystals form on the sides of a boiling pot of sugar water 

The temperature on a thermometer rises when mixing vinegar with baking soda 

A cake rises as gas bubbles form while baking the cake 