Are each of the equations Ca+CL2=CaCL2 and Zn+Ag2s=ZnS+Ag balanced? Why or Why not?

How many atoms are in aluminum? Not a specific amount of it though.

A scientist makes several observations, develops a question, researches what is known about the question, forms a hypothesis, and performs a series of experiments to test her hypothesis.

The element carbon is also called the "element of live". Declare.

A toothpaste company developed a new product. On the package, they printed the claim, "5 out of 5 dentists recommend this product!" Should a consumer trust this statement? A. No; they didn't explain the word "recommend." B.

What volume of 6.00 m naoh solution is required to prepare 0.50 ml of 0.15 m naoh solution a. 12.5 ml of naoh b. 25 ml of naoh c. 30 ml of naoh?

What compound is formed when CO2 is bubbled through water? Show the reaction.

A chemical formula written above or below the yield sign indicates: a. that a gas is formed. b. that the substance is used as a catalyst. c. that heat must be supplied. d. a reversible reaction.

Which factor is most important in determining the erosive power of a stream? A. stream velocity B. dissolved load C. channel width D. stream discharge

Is a rabbit a primary consumer

What type of bond creates volatile liquids and gases