CHEMISTRY 103 MODULE 1 EXAM SPRING 2025 | PROBLEMS & COMPLETE SOLUTIONS WITH ANSWER KEY (LATEST 2025) 100% CORRECT

CHEMISTRY 103 MODULE 1 EXAM SPRING 2025 | PROBLEMS & COMPLETE SOLUTIONS WITH ANSWER KEY (LATEST 2025) 100% CORRECT ● Name and write formulas for common inorganic compounds 1. Exponential and ordinary form - moving decimals. (- backward) or positive exponent forward. 8360000 = 8.36 x 106 and 0.000742 = 7.42 x 10-4 2. Metric and English Unit Conversions a. 1 kilogram = 1000 grams, 1 kl = 1000g b. 4 quarts = 1 gallon , 4qt = 1 gal c. 1 liter = 1000 milliliter , 1L = 1000ml d. 1 gram = 100 centigram , 1g = 100cg e. 10 decimeter = 1 meter, 10dm = 1m f. 1 lb = 16 oz g. 12 in = 1 ft NEW UNIT ON TOP OLD UNIT ON BOTTOM 48 ounces to lbs = 48 x 1lb — = 3 pounds 16ounces Multiply number on top 1) 656 cm = ? meters 656 x1 meters —-------= 6.56 100 2) 20 gal = ? quarts 20 x 4 —--80 qts 1gal 3) 7820 ml = ? liters 7820 x 1 liter —--- = 7.82 liters 1000 ml 4) 36 g = ? mg 36 x 1000 mg —-- = 36000 mg 1g 5) 6.2 m = ? mm 6.2 x 1000 mm —---------------- = 6200mm 1 m 6) 725 L = ? ml 725 x 1000ml —------------- = 725000ml 1 L Answer Key 1) 656 cm x 1 m / 100 cm = 6.56 m 2) 20 gal x 4 qt / 1 gal = 80 qts 3) 7820 ml x 1 liter / 1000 ml = 7.82 liters 4) 36 g x 1000 mg / 1 g = 36000 mg 5) 6.2 m x 1000 mm / 1 m = 6200 mm 6) 725 L x 1000 ml / 1 liter = 725,000 ml 3. Temp conversions a. Must go from F- C - K