What will happen to the density of a substance if it contracts when it freezes?

1. density will decrease

2. density will increase

3. density will remain the same

4. change in density cannot be predicted

At high temperatures, sulfur combines with iron to form the brown-black iron (II) sulfide: Fe (s) + S (I) - --> FeS (s) In one experiment, 7.62 g of Fe are allowed to react with 8.67 g of S. a.

If about 47,000 metric tons of sulfuric acid are industrially produced every year in a u. s. state, how many moles are produced?

The average density of a planet is 5.08 g/cm3. what is its density in kg/m3? In scientific notation.

The chemical agent or hazardous material that interferes with the body's ability to transfer oxygen to the cells is: A. Phosgene B. Hydrogen cyanide C. Tear gas D. Nerve agent

Which trait would most likely lead a scientist to repeat an experiment and verify the data? creativity openness diversity skepticism

What is the independent and dependent variable of the sentence" you decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get rid of this slime by adding lemon juice.

M=40g V=31cm^3 what is the density

Write a balanced equation for the reaction of copper with silver nitrate

The compound h3po4 is named: a. nitric acid. b. sulfuric acid. c. phosphoric acid. d. ethanoic acid.

What does charles law state