# Final Review 1) 2000 mg = _______ g Final Review

1) 2000 mg = _______ g

2) 104 km = _______mm

3) What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3

4) An ice cube measuring 5.80 cm by 5.80 cm by 5.80 cm has a density of 0.917 g/mL. What is the mass?

5) A sample of argon has a volume of 0.43 mL at 23 C O . At what temperature will it have a volume of 1 mL.

6) Neon gas has a volume of 2,000ml with an atm of 1.8 however the pressure decreased to

1.3atm what is now the volume of the neon gas?

7) A gas has a pressure of 0.370 atm at 50.0 °C. What is the pressure at standard temperature?

8) Atoms of a certain isotope have 73 neutrons and a mass number of 123.

(a) What is the atomic number?

(b) How many electrons are there?

(c) What is the name of the element?

(d) What is the nuclear charge?

9) WRITE THE ELECTRON CONFIGURATION USING THE S,P,D,F SUBLEVEL METHOD FOR:

Cl_______________________________________________________________

Al____________________________________________________________________

10) Balance and identify the type of equation listed below a) Ba

3

N

2

+ __ H

2

O → __ Ba(OH)

2

+ __ NH

3

TYPE___________________________ b) ) __Fe+ __Cl

2

−−→ __FeCl

3

TYPE_______________________ c) ___C

4

H

10

O+ __O

2

−−→ ___CO

2

+ ___H

2

O

11) Name the following componds/molecules

TYPE_______________________ a) NaOH________________________________________________ b) PCl

5_____________________________________________________________________________ c) Fe

2

O

3

_______________________________________________________

12) Write the appropriate formula

Tungsten Phosphide_________________________________________________________

Heptaphosphrus Decafluoride_________________________________________________

13) A)How many moles are in 756 g of C

6

H

12

O

6

B) What is the molar mass of an unknown compound if 2.45 moles has a mass of 656 g

14) How many seconds will it take for a satellite to travel 450 km at a rate of 120 m/s?

15) A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 4.5 seconds. What is the acceleration of the dragster?

16) An object falls from the Transco Tower in Houston and takes 15 seconds to reach the ground. What is its velocity at impact?

17) What is the acceleration of softball if it has a mass of 0.5 kg and hits the catcher's glove with a force of 25 N?

18) What is the mass of a falling rock if it produces a force of 147 N?

19) What net force is required to accelerate a car at a rate of 2 m/s

2 if the car has a mass of 3,000 kg?

20)Fill in the chart

21) If 478 watts of power are used in 14 seconds, how much work was done?

22) What is the mass of an object if it took 270 J of work to move it 15 meters

22) Calculate the momentum of a golf ball of mass 0.045 kg that moves at a speed of 40 m / s.

23) A series circuit consists of a 56 V battery connected to a 28 and 14 ohm resistors in series.

Calculate the total resistance total current and voltage drop for each resistor.