CHE 105

1. Write the equation that expresses in acceptable chemical shorthand the following statement: “Iron can be made to react with molecular oxygen (O2) to give iron oxide with the formula Fe2O3” 4Fe + 3O2  2Fe2O3 2. Balance the following reactions: a. Ca(OH)2 + 2HCl CaCl2 + 2H2O b. 2AgNO3 + CaCl2  Ca(NO3)2 + 2AgCl c. 2Fe2O3 + 3C  4Fe + 3CO3 d. 2NaHCO3 + H2SO4 Na2SO4 + 2H2O + 2CO2 e. 2C4H10 + 13O2  8CO2 + 10H2O f. Mg(OH)2 + 2HBr  MgBr2 + 2H2O g. Al2O3 + 3H2SO4  Al2(SO4)3 ...

CHE 105Metric System Conversion etric Conversion Practice Name__KEY_________ King henry died by drinking chocolate milk Kilo hecta deca Base unit deci centi milli K h da m,L,g d c m 1000 100 10 1 0.1 0.01 0.001 Try these conversions using the KING HENRY DIED BY DRINKING CHOCOLATE MILK 1000 mg = 1 g 1L = 1000 mL 160 cm = 1600 mm 14 km = 14,000 m 109 g = 0.109 kg 250 m = 25,000 cm 6km = 6,000,000 mm 450mL = 0.00045 kL 2g = 2,000 mg

1. Define the following: a) System the part of the universe on which we are interested in. b) Surroundings: everything in the universe surrounding thermodynamic system c) Universe: the system and the surroundings in which energy is constant. d) State functions: variables that define the state of a system; independent of the pathway 2. True or False: a) The amount of Energy will depend on the initial and final states. TRUE b) A closed system exchanges energy and matter with the surroun...

Define the following: a) System the part of the universe on which we are interested in. b) Surroundings: everything in the universe surrounding thermodynamic system c) Universe: the system and the surroundings in which energy is constant. d) State functions: variables that define the state of a system; independent of the pathway 2. True or False: a) The amount of Energy will depend on the initial and final states. TRUE b) A closed system exchanges energy and matter with the surroundin...

Metric Conversion Practice Name__KEY_________ King henry died by drinking chocolate milk Kilo hecta deca Base unit deci centi milli K h da m,L,g d c m 1000 100 10 1 0.1 0.01 0.001 Try these conversions using the KING HENRY DIED BY DRINKING CHOCOLATE MILK 1000 mg = 1 g 1L = 1000 mL 160 cm = 1600 mm 14 km = 14,000 m 109 g = 0.109 kg 250 m = 25,000 cm 6km = 6,000,000 mm 450mL = 0.00045 kL 2g = 2,000 mg