Sig fig Study guides, Class notes & Summaries

Celcius - Answer- (F-32)5/9 HPC media water bath - Answer- 45`C, 3hr Precision - Answer- a measure of how close a series of measurements are to one another Accuracy - Answer- how close a measurement is to the true value Electrical Fire - Answer- unplug & sodium bicarbonate analytical balance - Answer- a device for determining mass that gives highly accurate measurements top loading balance - Answer- used to determine mass; not as precise as an analytical balance triple beam ...

CHEM 120: EXAM 1 CHAPTERS 1-4 KEY TERMS QUESTIONS WITH CORRECT ANSWERS

CHEM 120 EXAM 1 QUESTIONS WITH CORRECT DETAILED ANSWERS

MARK SCHEME – A-LEVEL ENVIRONMENTAL SCIENCE – 7447/1 – JUNE 2021 4 Qu Part Marking guidance Comments Total marks AO 01 One mark for each correct row. No mark if too few or too many ticks in a row. 5 AO1 1a Contaminant Treatment process Activated carbon filtration Phyto- remediation Reverse osmosis Screening Sedimen -tation UV light Salt  Heavy metals  Litter  Organic pollutants   Pathogens Suspended solids  MARK SCHEME –...

Portage Chemistry 103 Module 2 Exam Study 2.1: MOLECULAR WEIGHT Correct Answer: 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 Correct Answer: calcium phosphate Molecular Weight = ...

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...

1. 1.1 Physical quantities b)(1) make reasonable estimate of Fre- quency Of Audible Sound Wave: 2. 1.1 Physical quantities b)(2) make reasonable estimate of The Wavelength, in nm, of Ultraviolet Radia- tion: 3. 1.1 Physical quantities b)(3) make reasonable estimate of The Mass Of The Plastic 30cm Ruler: 4. 1.1 Physical quantities b)(4) make reasonable estimate of Den- sity Of Air At Atmospheric 5. 1.1 Physical quantities b)(5) make reasonable estimate...

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...

Sig fig addition rule - Answer The least accurate number place Sig Fig Multiplication/Division Rule - Answer least number of sig figs net ionic equation - Answer an equation for a reaction in solution showing only those particles that are directly involved in the chemical change oxidation number - Answer Positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable micro - Answer 10^-6 nano - Answer 10^-9 % yield - Answer actual yield/...

Chart/Exhibit Practice Item While performing a physical assessment on a client with a long- term history of tobacco use, a nurse notes changes in the client’s fingers (see illustration). Angle > 180 The nurse should best document this assessment finding as: 1. vitiligo. 2. clubbing. 3. keratinized. 4. poor capillary refill. ANSWER: 2 In this question, the nurse should document the finding as clubbing. The picture shows swelling at the distal end of the finger and loss of the normal ...