Chemistry conversion problems and answers
[DOC File]Mole Calculation Worksheet - HUBBARD'S CHEMISTRY
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Further analysis in your chemistry lab down in the basement indicates the following information: Green substance Purple substance. 20 g sample 20 g sample. 4.9364 x 10 23 atoms 1.505 x 10 23 . How many grams of each liquid are needed to complete the recipe? It is a dark and stormy night.
[DOC File]Units & Unit Conversions Worksheet
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The blank line in the middle of the conversion chart can change depending on what we are measuring: The unit for length is the meter (m). The unit for mass is the gram (g). The unit for volume is the liter (L). Part A . What type of measurement is indicated by each of the following units? Choices are in the last column. g/mL s km g cm3
DIMENSIONAL ANALYSIS PROBLEMS
dimensional analysis problems Conversions Factors 1 hr = 60 min 1 min = 60 sec 1 ton = 2000 lbs 7 days = 1 week 24 hrs = 1 day 1 kg = 2.2 lbs 1 gal = 3.79 L 264.2 gal = 1 cubic meter 1 mi = 5,280 ft 1 kg = 1000 g 1 lb = 16 oz 20 drops = 1 mL 365 days = 1 yr 52 weeks = 1 yr 2.54 cm = 1 in 1 L = 1000 mL 0.621 mi = 1.00 km 1 yd = 36 inches 1 cc is ...
[DOC File]Significant Figures Practice Worksheet
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Practice Problems for Significant Figures . RULE -1: If the decimal is . Present: Find the first non zero on the left, then count all digits to the . RIGHT. If the decimal is . Absent: Find the first non zero on the right, then count all digits to the . LEFT. RULE-2: Every digit in scientific notation is Significant
[DOCX File]Microsoft Word - Dimensional analysis practice.doc
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Dimensional Analysis Problems. DIRECTIONS: Solve each problem using dimensional analysis. You MUST use parenthesis and show ALL of your work INCLUDING UNITS.Every number must have a unit. Conversion factors are given below:
[DOC File]Conversions - FREE Chemistry Materials, Lessons ...
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Chemistry: Conversion Factors. Below are some conversion factors used in the SI System, and which we will use in this class. kilo- = 1000 centi- = 1/100 milli- = 1/1000 Other Conversions. 1 kg = 1000 g 1000 mg = 1 g 1 mL = 1 cm3. 1 km = 1000 m 100 cm = 1 m 1000 mm = 1 m 1 L = 1 dm3. 1 kL = 1000 L 1000 mL = 1 L 1 cm = 10 mm
[DOC File]Mole Conversions Worksheet
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Each equality can be written as a set of two conversion factors. They are: Mole-Particle Conversions. 1. How many moles of magnesium is 3.01 x 1022 atoms of magnesium? 3.01 x 1022 atoms = 5 x 10-2 moles. 2. How many molecules are there in 4.00 moles of …
[DOC File]Chapter 1 Chemistry: Matter and Measurement
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The common instruments for measuring volume in chemistry are: _____ and the _____. Note that 1 cm3 = 1 mL (We will use this exact conversion factor throughout the year, so you will need to memorize it!) 3. MASS: The common unit of mass in chemistry is the _____ (used in lab).
[DOC File]Temperature Conversion Worksheet
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Temperature Conversion Worksheet. Formulas: Farenheit to Celsius. Co = 5/9(Fo-32) Celsius to Farenheit: Fo = 9/5 Co +32 . Celsius to Kelvin. Ko= Co + 273.15. Kelvin to Celsius: Co= Ko - 273.15. Use the formulas above to convert the temerpatures to different scales. Convert the following to Fahrenheit.
[DOC File]Chemistry
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Since the numerator and denominator of the conversion factor are equal, multiplying by the conversion factor is like multiplying by 1 and thus does not change the value of the original quantity. Use the table of English to Metric equivalents as needed. All answers should be in significant figures! A) Problems with a single conversion factor. 1.
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