Sig fig - Study guides, Class notes & Summaries

ISCI 172 Exam 1 with Questions and Answers for 1 kg^2 = ANSWER 10^6 g^2 sig figs in multiplication and division ANSWER perform operation as normal and express answer in the LEAST # of sig figs that were given to you sig figs in addition and subtraction ANSWER The answer can't have more digits to the right of the decimal point than either of the original numbers uncertainty ANSWER an estimate of how much a measured or calculated value differs from a true value Accuracy ANSWER A ...

sig fig rules correct answers1) all nonzero numbers = significant 2) zeros b/w nonzero numbers = significant 3) leading zeros NOT significant 4) trailing zeros NOT significant - but are if decimal what do you need to cube when converting between cubic length units correct answerscube conversion + units -- (x/x)^3 extensive property correct answersproperty depends on amount of matter present - ex: mass, volume intensive property correct answersproperty does no depend on amount of ...

Fahrenheit Equation correct answers Tf=(Tc x 9℉/5℃) + 32℉ Celsius Equation correct answers Tc= 5℃/9℉ (Tf - 32℉) More Equations correct answers Ep=h x v c=weird symbol x v Average Velocity of a Gas Particle correct answers Vrms = square root (3RT/MM) R= gas law constant T= temperature MM= molar mass of gas particles Base for log correct answers It is 10 10^5 log10(100,000)=5 Base for ln correct answers e Euler's number Rules for Counting Significant Figure...

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 ...

sig fig zeros - Answer-1. zeros at beginning NOT signif 2. zeros between ARE SIGNIF 3. zeros at end of number are signif if number contains a decimal point 3.489 x (5.67-2.3) - Answer-3.489 x 3.(3)7 11.75793 12 matter - Answer-composed of mass and must occupy space scales of matter - Answer-macroscopic, microscopic, particulate. scientists think on a particulate scale, observe macroscopically states of matter - Answer-1. change from solid to liquid to gas as temp increases 2. motion of...

Edexcel AS Level Biology (8BI0) Paper 2 Mark scheme June 2022. Pearson Edexcel Advanced Subsidiary in Biology (8BI0) Paper 02 Core Physiology and Ecology. measurement of diameter • conversion of measurement to µm and division of diagram size by actual size • 8750 – 8800 (2) One mark for correct measurement allow 63 mm or 6.3 cm Example of calculation 63 ×1000 63000÷7.20 = 8750, accept 8800 to 2 sig fig Correct answer with no working gains full marks (2) Question Number An...

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...

Portage Chemistry 103 Module 2 Exam SOLUTIONS 100% CORRECT ANSWERS 2.1: MOLECULAR WEIGHT A compound is made up of two or more elements combined in a definite ratio that is represented by a molecular formula. Each of these elements has a certain atomic weight, which can be found in the periodic table. The sum of the atomic weights of the atoms in the molecular formula is called the formula weight or molecular weight or formula mass. Ca3(PO4)2 calcium phosphate Molecular Weight...

CHEM 207 REVIEW EXAMS QUESTIONS AND ANSWERS Practice questions for the exam with solutions. For you to do well on the exam, please work on the questions before looking at the solutions. If you find an error, let me know so I can let everyone know. REMEMBER THE EXAM IS ON Monday, Sept 28th on Top Hat. The exam will have 20 questions and only one hour. Studying the lecture ppts and lecture questions would also be helpful. Lecture 1A questions: Density and stat analysis, Q and T tables, % Tole...

Mark Scheme (Results) Summer 2024 Pearson Edexcel GCSE Astronomy (1AS0) Paper 1: Naked-Eye Astronomy Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. For further information visit our qualifications websites at or . Alternatively, you can get in touch with us using the details o...