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Chemistry Honors – Mid Year Cumulative Test REVIEW GUIDE
Below are the topics we have covered, and you can expect to see questions covering these topics on the test. Chapter 3 – Measurement. Sig figs in measurements and calculations Uncertainty in measurements Choosing appropriate instruments for certain tasks Reading Instruments to correct number of sig figs (which digit is the guessed digit?)
sig fig examples and answers

[DOC File]AP Chemistry Lab Manual
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Data- Record all your data directly into your lab notebook on the right-hand pages. Organize your data in a neat, orderly form. Label all data very clearly. Use correct sig figs and always include proper units. Underline, use capital letters or use any device you choose to help organize this section well.
sig fig problems and answers

[DOC File]ACTION VERBS
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Example: 300 has 1 sig. fig., 25400 has 3 sig. figs. b) If there is a decimal, the zeros ARE significant. Example: 60.0 has 3 sig. figs., 0.00045300 has 5 sig. figs. (the 4 zeros at the left of the number do not count, but the 2 zeros at the right of the number do count). Statistical Analysis of Data. Dumas 09
sig figs examples

[DOCX File]Answer the following questions on density and experimental ...
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From the previous example if the 3 in thousandths place had been a 5 or higher, the answer would have been reported as 55.78. ... The answer will have the same number of significant figures as the number being multiplied with the lowest number of sig figs. Example: 33.874 (left : 5 sig figs) x11.24 (left : 4 sig figs) ... The numbers in front ...
sig fig practice problems worksheet

[DOCX File]www.dvusd.org
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sig figs. determines how many sig figs . will be in the final answer. Example: 4.3 x 1.23 = 5.289 but this answer has 4 sig figs and that is not correct. According to the rule, 4.3 has 2 sig must have 2 sig figs. Therefore the answer is 5.3. We had to round the 2 to a 3 since the second decimal place was higher than 5. Rule #3 –
sig fig example problems

[DOC File]ATLANTIC COLLEGE HL CHEMISTRY (PRACTICAL)
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values quoted to 4 sig. figs. values quoted to 5 sig. figs. Zeros after a non-zero digit but before the decimal point may or may not be significant depending on how the measurement was made. For example 123 000 might mean exactly one hundred and twenty three thousand or one hundred and twenty three thousand to the nearest thousand.
sig fig examples and answers

[DOC File]Scottish Schools Education Research Centre
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3200 could have two or four sig figs. It is much better to use scientific notation. 3.2 x103 has two sig figs 3.200 x103 has four sig figs Singular or plural? The word data is a plural word but is commonly used as a singular word. So, strictly speaking we should refer to one datum – and lots of data.
sig fig problems and answers

[DOC File]Dimensional Analysis WorkSheet - mrbartonsclassroom
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How many seconds old are you? (Express with 2 sig figs in scientific notation.) Convert your distance from school to home from miles to inches. (Express with 2 sig figs in scientific notation.) How many kilometers is it from your house to school? (Express with 2 sig figs in scientific notation.) A person’s weight is 154 pounds.
sig figs examples

[DOCX File]HACH A-Level Physics
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If a choice of sig figs given and not in answer line – no sig fig mark. ... they attempted to manipulate their answer to obtain a numerical value near 5. For example, students who used 5 cm for the radius could obtain a value of 4.2 kg for the mass. Many would then miss out the step (multiplying by g) to determine the weight, as they had ...
sig fig practice problems worksheet

[DOCX File]Richmond County School System
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Change 2346.2100 to show 5 sig figs. 2.) Change 60000 to show 6 sig figs. 3.) Change 0.00085066 to show 1 sig fig ... For example, centigram means we are count in steps of one one-hundredth of a gram, μg means we count by millionths of a gram. ... So the problem is that, while we compare amounts of one substance to another using moles, we must ...
sig fig example problems

Example word problem questions about sig figs