Heterogeneous mixtures - Study guides, Class notes & Summaries
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Honors Chemistry Practice Test Final 1 Exam Questions and Answers 100% Correct
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Honors Chemistry Practice Test Final 1 Exam 
Questions and Answers 100% Correct 
A Golf Ball has more mass than a tennis ball because it___. 
A. Takes up more space 
B. Contains more matter 
C. Contains different kinds of matter 
D. Has a definite composition - Answer- Contains more matter 
All of the following are physical properties of matter EXCEPT___. 
A. Mass 
B. Color 
C. Boiling Point 
D. Ability to Rust - Answer- ability to rust 
Which state of matter is characterized by having an indefi...
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TEAS Test Science Questions 2023-2024 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+
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TEAS Test Science Questions 
ACTUAL EXAM QUESTIONS AND CORRECT 
DETAILED ANSWERS WITH RATIONALES 
(VERIFIED ANSWERS) |ALREADY GRADED A+ 
A specific isotope has an atomic number of 51 and a mass number of 122. How many 
electrons are contained in the neutral atom? 
a. 51 
b. 71 
c. 122 
d. 173 - CORRECT ANSWER A: The mass number is the sum of the number of 
protons and neutrons. The atomic number is the number of protons, which is always 
equal to the number of electrons in a neural atom. ...
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PAX Science NLN Exam (Test Bank) Answered 2022/2023 |Graded A
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PAX Science NLN Exam (Test Bank) Answered 2022/2023 |Graded A 
A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains 
 
A.) carbon dioxide. 
B.) hydrogen. 
C.) oxygen. 
D.) nitrogen. [Answer:- carbon dioxide. 
 
A physician measures the pulse and blood pressure (BP) of all patients on a routine basis. Which of these measurements show the normal BP values for a resting adult patient? 
 
A.) 125/95 mm Hg 
B.) 120/80 m...
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Test Bank for Chemistry: The Molecular Nature of Matter, 8th Edition by Jespersen
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Test Bank for Chemistry: The Molecular Nature of Matter, 8th Edition 8e by Neil D. Jespersen, Alison Hyslop. Full Chapters test bank are included with answers - Chapter 1 to 22 included 
 
0 A Very Brief History of Chemistry 1 
 
0.1 Chemistry’s Important Concepts 2 
 
0.2 Supernovas and the Elements 3 
 
0.3 Elements and the Earth 5 
 
0.4 Dalton’s Atomic Theory 7 
 
0.5 Internal Structure of the Atom 8 
 
Tools for Problem Solving 20 
 
Review Questions and Problems 21 
 
1 Scientific Meas...
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CHMM EXAM WITH 100% CORRECT ANSWERS
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CHMM EXAM WITH 100% CORRECT ANSWERS 
 
 
Bioaccumulation - correct answerImplies the accumulation of a toxic chemical in tissue, like DDT and PCBs that are stored in fatty tissues or mercury building up in fish 
 
Biomagnification - correct answerthe increase of of the chemicals in the natural food chain as contaminated food species are eaten, like fish consumers that have high bloodstream from seafood sources 
 
Bioconcentration - correct answerused in the field of aquatic toxicology and is t...
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Chem 120 Exam Revision Questions with Complete Solutions
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define matter anything that has mass and takes up space 
 
what is not considered matter? light, heat, electricity 
 
definite shape, definite volume solid 
 
indefinite shape, definite volume liquid 
 
indefinite shape, indefinite volume gas 
 
pure substance one substance; definite and constant composition; can't be separated into 2 kinds of matter by physical means; single kind of matter 
 
heterogeneous mixture nonuniform in appearance; visibly different phases 
 
homogeneous mixture visibl...
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MTTC integrated science 094 Life Sciences and General Knowledge correct 100%
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MTTC integrated science 094 Life Sciences and General Knowledge correct 100% 
 
volumetric flask - ANSWER used to accurately prepare solutions of various concentrations 
 
often used in titrations 
 
erlenmeyer flask - ANSWER can be used for mixing, transporting, and reacting, but are not appropriate for accurate measurements 
 
repippette - ANSWER hand operated pump that dispenses solutions 
 
beakers - ANSWER can be used to measure mass or dissolve a solvent into a soulte 
 
graduated cylinder...
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Chemistry 1010 Chapter 3-4 with complete verified solutions(GUARANTEED SUCCESS)
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physical change 
phase, hardness, size, color 
 
 
 
chemical change 
new substance formed with new properties, new bonding 
 
 
 
 
Brainpower 
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Element 
fundamental substance that cannot be broken down by chemical means 
 
 
 
PT groups 
vertical columns (family) 
 
 
 
PT period 
horizontal row 
 
 
 
transition metals 
groups 3-12 
 
 
 
noble gases 
Group 18 (stable gases, don't tend to react chemically) 
 
 
 
Compound 
when atoms of different elements bond together (different p...
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MODULE 6 PORTAGE LEARNING CHEMISTRY 121 EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED
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MODULE 6 PORTAGE LEARNING CHEMISTRY 121 EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED 
 
Amorphous solids 
particles are arranged in a random fashion 
Colligative properties 
physical properties of solvents that are dependent on the concentration of the solute present and the identity of the solvent but not on the identity of the solute. They include vapor pressure, freezing point and boiling point 
Colloids 
heterogeneous mixtures which appear to homogeneous one-phase mixtures but are actuall...
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NLN Practice Exam Questions And Answers (Verified And Updated)
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NLN Practice Exam Questions And Answers 
(Verified And Updated) 
1 kilogram (kg) of solid X at 10°C and 1 kg of solid Y at 10°C each absorb 5 joules of heat 
energy. The final temperatures of X and Y are 15°C and 20°C, respectively. Compared to X, Y 
must have a lower 
specific heat. 
conductive heat. 
heat of fusion. 
heat of vaporization. - answerspecific heat. 
A drop of dilute ammonium hydroxide (NH4OH) is placed on one side of a slide containing a 
large number of swimming paramecium. U...
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