In a single water molecule the O is held to the H by a _________ bond.
What is covalent
100
The units for density are ___/___ OR ____/____
What is g/ml or g/cm3
100
The ability of water to stick to itself is known as______
What is cohesion
200
Water exists in _____ states
What is 3
200
Name the 2 (&one sub category) bonds that water has. 1a.______ (1.b________) and 2______
What is Covalent, Polar Covalent, Hydrogen
200
An object is 4000g and has a volume of 8000ml. Based on this the object will (sink/float) because its density is ____
What is float (less than 1 g/ml)
200
Something that you measure (but do not control is the)___________ variable
What is dependent
300
What has ____ types of bonds
What is two
300
When one atom takes an electron away is known as a(n) __________bond
What is ionic
300
Density is the amount of _______ in a given _______
Density is the amount of (weight) in a given (space)
300
The ability to store and absorb heat is known as _______________
What is heat capacity.
400
What are the 3 gasses found in water?
Nitrogen, Oxygen, and Carbon dioxide
400
Seawater is made of ______% water and ______% solids
97% water; 3% solids
400
Solution A has a mass of 3.5 kg and a volume of 7000 ml. Solution B has a mass of 40,000 g and a volume of 20 L.
The density of solution B would _______ and it would be (below/above) solution A.
Solution A = 0.5 g/ml
Solution B = 2 g/ml
Solution B is below solution A
400
What part of the water molecule is points to the chloride atom when it ionizes salt and why?
The hydrogen because it is slightly positive and the Cl- is negative.
500
As water leaves the ocean is has _______ cohesion because_________
What is As water leaves the ocean is has (more) cohesion because (there is less salt in the water increasing the number of H. Bonds)
500
Unequal sharing of electrons creates _______bonds and it give a negative charge to _______ and a positive charge to ________. This leads to a(n) __________bond.
What is Unequal sharing of electrons creates (PC) bonds and it give a slight negative charge to (O) and a positive charge to (H). This leads to a(n) (H) bond.
500
Block A has a mass of 5 Kg and a volume of 2.5 L when placed in water it will be ______% below water. Block B has a mass of 8 g and a measures 2.0 cm x 2.0 cm x 10mm when placed in water it will be _____% below water