CHEM 110
Worksheet #4


1. Discuss how Dalton's Atomic Theory accounts for the Law of  
  Conservation of Matter. 
   
2. Trace the steps involved in the conversion of the chemical  
  energy of the compounds in natural gas into electrical energy  
  in a gas fired power plant. 

3. Write a balanced equation for the combustion of butane, C4H10 



4. Express the following numbers in scientific notation.

   3240000 =  

   1090000000000 =  

   0.0000000000476 = 

   9687000000 = 

   0.0000047 = 

5. Perform the following operations: 

   (3.2 x 10-11) x (6.5 x 107)  = 

   4.6 x 109 
   ----------- = 
   6.7 x 1013 

6. Perform the following conversions. 

   1 cm = ____ inch 

   1 m = ____ cm 
    
   1 mg = ____ kg 

   1 kg = ____ mg 

7. Calculate the density of a liquid if 25 ml of the liquid has a 
  mass of 35 g. 


8. Perform the following conversions. 

   355 g = ____ mg 

   248 ml = ____ L 

   3.0 pts = ____ L if 355 ml = 12 oz & 16 oz = 1 pt 

9. What is the volume of 13 g of a liquid if its density is  
  0.85 g/ml ? 

Answers = Please work before checking