Ch. 5  measurement   test                     40 points                                                                      honors Chem

Show your work in an organized manner, include (i) any relevant equation (or formula), (ii) conversion factor(s), (iii) put the proper units in your calculations and answer, and (iv) have the proper number of significant figures in your answer.

1. Solve.  [10 points]

a. 375 feet3  =  __  L

b.  

2. Solve.  [10 points]

 a. 375 K  =  __ ºC

 b. 785 ºC  =  __ K

c. Write 0.00025 using scientific notation:  ________________________

d. 375.16  +  37.4  = ____________

 e. 385.0 *  0.000350  =  ____________

3. A 75.9 g cone with a radius of 25.0 mm has a density of 13.5 g / mL; what is the height of the cone ? 

hint:  volume of a cone  =    [10 points]

 

4. Solve.  [10 points]

a 7,325 μm  =  __  cm

b. 125 kg  =  __ mg

c. 3.5 * 1014 nanoseconds  =  ___  minutes

d. 75 inches  =  ___ yards

e. 25 kJ  =  __ J