Ch.11
The atomic number on the periodic table tells you how many __________ the atom contains
protons
Which type of solids have a repeating pattern? Crystalline or Amorphous
crystalline
The bonds that form between two water molecules are called ________ bonds.
hydrogen
What is the name of the scientific tool used to measure air pressure?
barometer
Solve for mass when D=19.3g/cm3 and V=1.5cm3
29g
When an atom gains a proton, what will happen to the atom?
becomes a different atom
What is the spring constant if a 12 N weight is hung on a spring at it extends 0.50 m
24 N/m
12.0 N of force is applied to an area of 20.0 m2. How much pressure was placed on the area?
0.600 Pa
Is there more or less air pressure high up on a mountain?
less
inversely
Identify the following as an element (E), compound (C), Homogeneous mixture (HOM) or heterogeneous mixture (HEM). Carbon Dioxide
compound
If a force of 25 N stretches a certain spring 5.0 cm, how far will the spring stretch when an applied force of 35 N acts?
7.0 cm
Archimedes Principle state that buoyant force is equal to the _______________.
weight of liquid displaced
4.35 L of a gas is at 1.16 atm. What pressure is obtained when the volume is 9.3 L?
0.54 atm
The St.Louis arch is an example of a __________ curve.
catenary
How many electrons does Cl-1 have?
18
Solve for V if D=19.3g/cm3 and mass=0.55g
0.028 cm3
Calculate the pressure at the bottom of a 300. m high water tower. The weight density of water is 9,800. N/m3
2,940,000Pa
Pressure and volume are ________ proportional.
inversely
_________ is when a water molecule sticks to something other than water.
adhesion
How many neutrons does Carbon-16 have?
Arches use _________ forces.
compression
In a newly designed car with a hydraulic braking system, a force of 92 N is applied to one of the master cylinders, which has an area of 7.3 cm2. The master cylinder is connected to one brake piston, which exerts a force of 346 N. What is the area of the brake piston?
27.5cm2
Convert 0.325 psi to mm Hg
16.8 mm Hg
Antimony-121 makes up 57.21% of all Antimony in nature, Antimony-123 makes up 42.79%. Calculate the average atomic mass of Antimony.
121.86 amu