On average, it takes about 10 minutes to boil water. What is the property responsible for this phenomena?
What is heat capacity?
A water molecule is made up of which two elements?
What is oxygen and hydrogen?
A solution is defined as which?
a. an unevenly distributed mixture of substances
b. an evenly distributed mixture of substances
c. a mixture of two unlike substances
What is an evenly distributed mixture of substances?
The pH scale measures the amount of what type of ions?
What is hydrogen ions?
Which property creates surface tension and allows a bug to "walk in water"?
What is cohesion?
A polar molecule has a slightly _____ region?
a. heavy
b. dense
c. charged
What is charged?
A solution is a mixture that includes which two parts?
What is the solvent and the solute?
If something is labeled as acidic, it has a pH more or less than 7?
What is more than 7?
Water sticking to the glass of a graduated cylinder is an example of property of water?
What is adhesion?
A bond between a positive and negative atom is called what type of bond?
a. water bond
b. tight bond
c. hydrogen bond
What is a hydrogen bond?
Water is considered the "universal solvent." What is the definition of a solvent?
What is a substance that dissolves another substance?
Coffee has a pH value of 4.5-5.1. This means that coffee is ______.
What is acidic?
What property lets dew stick to a blade of grass in the early morning?
What is adhesion?
In a water molecule of H2O, which molecule is more negative?
What is the oxygen molecule?
When considering solutions, "like dissolves like." If water is polar, what type of molecule will it dissolve?
What is a polar molecule?
An item with a high pH value (14) has what concentration of hydrogen ions?
What is low concentration?
On a hot summer day, you run across the beach into the ocean. You realize the ocean has remained cool while the sandy beach is scorching hot. Which property is responsible for this phenomena?
What is heat capacity?
The polar molecules of water being held together by hydrogen bonds...
a. make it easy to split the water molecules apart
b. cause the properties of water
c. cause the water to freeze randomly
What is "cause the properties of water"?
When hot chocolate powder is poured into warm milk to make hot chocolate, the chocolate powder is which part of the solution?
What is the solute?
When using a pH test strip, you test a solution and find it to be green. You add an unknown substance to the solution and test the pH again. This time, the test strip turns dark blue. Does this mean that the solution turned more basic or acidic?
What is more basic?