Mole and molar mass exam - Study guides, Class notes & Summaries
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Chemistry 1 Honors Final Exam Review 2024 with Correct Answers
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Chemistry 1 Honors Final Exam Review 
2024 with Correct Answers 
a broad generalization that explains a body of facts or phenomena - Answer- theory 
a testable statement - Answer- hypothesis 
a measure of the quantity of matter - Answer- mass 
a measure of the gravitational pull on matter - Answer- weight 
the closeness of measurements to the correct or accepted value of the quantity 
measured - Answer- accuracy 
the closeness of a set of measurements of the same quantity made in the same way - ...
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Women's Health EOR questions and answers with rated solutions
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Women's Health EOR questions and answers with rated solutions 
A 15-year-old sexually active female presents with non-pruritic mucopurulent cervicitis and post coital bleeding. She was given medication for the same symptoms three weeks ago but reports she did not take it. Which of the following is the best treatment? 
A azithromycin x 1 dose 
B benzathine penicillin G x 1 dose 
C doxycycline x 7 days 
D tetracycline x 14 days 
A 
 
The patient has Chlamydia trachomatis, one of the the most comm...
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CHEM 103 MODULE 2 EXAM 2022
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CHEM 103 
MODULE 2 EXAM 2022 
Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the molecular weight for the following compounds, reporting your answer to 2 places after the decimal. 
1. Al2(CO3)3 
2. C8H6NO4Cl 
1. 2Al + 3C + 9O = 233.99 
2. 8C + 6H + N + 4O + Cl = 215.59 
Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the number of moles in the giv...
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Gas Law Topic Exam + Answers [100% PASS] /verified/
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Gas Law Topic Exam + Answers [100% 
PASS] /verified/ 
Two flexible containers for gases are at the same temperature and pressure. One holds 14 g 
of nitrogen and the other holds 22 g of carbon dioxide. Which of the following statements 
about these gas samples is true? *Ans* a. The volume of the carbon dioxide container is 
the same as the volume of the nitrogen 
container.---It is important to convert to moles to consider the situation presented. 14 g of 
N2 is 0.5 mol and 22 g of CO2 is 0...
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Cell Biology CMB1004 Biophysics Exam Questions With 100% Verified Answers
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Cell Biology CMB1004 Biophysics Exam 
Questions With 100% Verified Answers 
What amphipathic molecules? - answerMolecules that have both a polar and a non polar region 
In terms of water, what is a hydration shell of interaction? - answerWater molecules will 
surround the polar/charged molecules in a cage 
Why is water good at dissolving charged/polar molecules? - answerWater is dipolar, so it can 
hydrogen bond with itself and other molecules 
Why does water have an unusually high boiling point...
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Chemistry Conversions Exam Questions Correctly Answered.
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Chemistry Conversions Exam Questions Correctly Answered. 
 
 
Converting moles to grams - CORRECT ANSWER There are three steps to converting moles of a substance to grams: 
Determine how many moles are given in the problem. 
Calculate the molar mass of the substance. 
Multiply step one by step two. 
 
Converting grams to moles - CORRECT ANSWER Using a calculator, divide the number of grams by the molar mass. The result is the number of moles in your element or compound. For example, imagine you ...
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AFOQT Physical Science Exam Questions and Answers All Correct
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AFOQT Physical Science Exam Questions and Answers All Correct 
 
The lowest possible temperature - Answer-Absolut Zero 
 
The pressure exerted by the gases in the air. units of measurement are kilopascals, atmospheres, millimeters of mercury, and Torr - Answer-atmospheric Pressure 
 
Pressure is 100 kPa, 1atm, 760 mm Hg or 760 Torr - Answer-standard atmospheric pressure 
 
the smallest particle of an element a nucleus and its surrounding electrons. - Answer-Atom 
 
the mass of an atom measured i...
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The Mole Chemistry Study Guide Exam Questions Correctly Answered.
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The Mole Chemistry Study Guide Exam Questions Correctly Answered. 
 
 
why chemists use the mol - CORRECT ANSWER Chemists use the mole because it is a convenient way of knowing how many representative particles are in a sample. 
 
State the mathematical relationship between Avogadro's number and 1 mol. - CORRECT ANSWER One mole contains 6.02 10 particles 
 
List the conversion factors used to convert between particles and moles. - CORRECT ANSWER 6.02 1023 representative particles ____ 1 mol , 6...
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Bio 111 Lab Tamu Exam 1 Questions And Answers 100% Solved
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Bio 111 Lab Tamu Exam 1 Questions And Answers 100% 
Solved 
Accuracy - a measure of how close a result matches a correct or standard value 
Precision - a measure of variability. For example, three darts placed close together on a dartboard 
indicate high precision, but if this cluster of darts is far from the bullseye it would also indicate low 
accuracy 
Aliquot - a portion of something (noun); or to divide or transfer a portion of something (verb). For 
this lab, aliquot refers to an amount of...
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Honors Chemistry Final Exam Study Guide 2024 with Complete Solutions
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Honors Chemistry Final Exam Study Guide 
2024 with Complete Solutions 
Mole - Answer- SI unit for measuring the amount of substance; 
Molar Mass - Answer- the mass of a mole of an element 
Representative particles - Answer- refers to the species present in a substance: usually 
atoms, molecules, or formula units 
Avogadro's number - Answer- the number of representative particles in a mole 
Avogadro's hypothesis - Answer- states that equal volumes of gases at the same 
temperature and pressure ...
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