Sig fig calculation Study guides, Class notes & Summaries

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...

matter anything with a mass and takes up space (volume) states of matter solid, liquid, gas solid (s) rigid, hard shape, definite volume liquid (l) fluid, takes shape of container and definite volume (molecules have interactions-intermolecular forces) gas (g) fills up container and volume is defined by volume of container (molecules are very far apart so no interaction) properties of matter physical and chemical properties physical property a prop...

CHEM 2364 Organic Chem Lab Final Test v2 For the following compounds, rank 1 to 5 (1 most acidic; 5 least acidic), and then select the compound that is number 3 in this ranking: A B C D E p-chlorob enzoic acid p-methoxyaniline hydrochloric acid ethanol phenol 2. For the following compounds, rank 1 to 5 (1 most basic; 5 least basic), and then select the compound that is number 2 in this ranking: A B C D E O2N NH2 NNa CH3O NH2 NCCH3 O CH3Na 3. Which one of the following would couple best with a di...

BOX 1-2 Safe and Effective Care Environment Management of Care The nurse has received the client assignment for the day. Which client should the nurse assess first? 1. The client who needs to receive subcutaneous insulin before breakfast 2. The client who has a nasogastric tube attached to intermit- tent suction 3. The client who is 2 days postoperative and is complaining of incisional pain 4. The client who has a blood glucose level of 50 mg/dL (2.8 mmol/ L) and complaints of blurred v...

What is the slope if A is plotted on y-axis and B is plotted on x-axis? 5A + 3B = 8 - Answer- -3/5 Masses (in g) and volumes (in mL) of different amount of an unknown liquid were plotted in Excel and a best-fit-line equation was obtained. What is the unit of the slope for the best-fit-line equation? - Answer- g/mL R square value - Answer- quantity that describes how good experimental data fits into a straight line How many significant figures should the result of the following calcul...

Sig Fig Calculations

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...

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...

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...