Sig fig - Study guides, Class notes & Summaries

Aliquot - Answer- - *Portion of measurement added* - Example: "In this experiment, we will be using an *aliquot* of 10 mL of water for each trial Sig Fig Rules (Significant) - Answer- - Any non-zero digit is a sig fig - Zeros between non-zeros are sig figs - Zeros to the right of the last non-zero digit are sig figs Sig Fig Rules (Insignificant) - Answer- - Zeros to the left of the first non-zero are NOT sig figs Calculations Rules for Sig Figs (+/-) - Answer- - Focus on decim...

Chem 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass SI unit for Temperature - Answer -C F - Answer -(9/5 C) + 32 C - Answer -5/9 (F -32) K - Answer -C+273.15 density - Answer -mass/volume 1 mL - Answer -=1cm^3 = 1cc percent error - Answer -difference from known value/known value x 100 sig fig for Addition/Subtraction - Answer -answer has the same number of decimal places as the factor with the least amount of decimal places sig fig rules for multipl...

PRAXIS CRAM - BIOLOGY 5236 Exam Questions With 100% Correct Answers Pros of stem cell research - answerCuring genetic diseases Growing skin for burn victims Growing new organs Cons of stem cell research - answerHarvesting embryonic stem cells kills the embryo, what constitutes a viable embryo? Cons of genetically modified foods - answerMan should not interfere, allergens, modifications not contained-could pass in to wild species Cons of cloning - answer- reduced gene pool - animals les...

PRAXIS CRAM - BIOLOGY 5236 Exam Questions With 100% Correct Answers Pros of stem cell research - answerCuring genetic diseases Growing skin for burn victims Growing new organs Cons of stem cell research - answerHarvesting embryonic stem cells kills the embryo, what constitutes a viable embryo? Cons of genetically modified foods - answerMan should not interfere, allergens, modifications not contained-could pass in to wild species Cons of cloning - answer- reduced gene pool - animals les...

Chem 120 Exam 1 with Solutions 2024 SI unit for Temperature - - C F - - (9/5 C) + 32 C - - 5/9 (F -32) K - - C+273.15 density - - mass/volume 1 mL - - =1cm^3 = 1cc percent error - - difference from known value/known value x 100 sig fig for Addition/Subtraction - - answer has the same number of decimal places as the factor with the least amount of decimal places sig fig rules for multiplication/ division - - answer has the same amount of sig figs as the factor with the least amount of ...

pico nano micro milli centi deci deka hecta kilo mega giga - correct answer List the metric unit prefixes from smallest to biggest 1 - correct answer 1 ml = __ cm3 Accuracy - correct answer describes a set of values within 1% of the predicted value Precision - correct answer describes a set of values that have all of the same numbers up until the last sig fig Percent error - correct answer Measured - Accepted / Accepted Boiling point Freezing point Solubility - correct...

g by free-fall method ANSWER : - Drop object using electromagnet - Measure time and distance - Use suvat to get g mnemonic for exam questions ANSWER : Syllables of experiment e = equation p = procedures i = improvements m = math analysis g by free-fall light gate vs stopwatch ANSWER : light gate prevents human reaction time random errors stop watches rely on human reaction time Light gates will have a smaller percentage uncertainty g by free-fall problems with air resistance A...

Matter Most basic building block. Must have mass and volume Elements Simplest form of matter, can't decompose any further Molecules Two or more atoms "linked" together Compounds Mixes of two or more elements bonded together Sig Fig.- x & / As many as the least number Sig Fig.- + & - As many as the least behind the decimal point Law of Definite Composition Components in a compound always have the same ratio by mass Law of Multiple Proportions Ratios of elements that combine to m...

chapter 2 sig figs

chapter 2 sig figs