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CHEM 120 TESTS COMPILATION BUNDLE
CHEM 120 TESTS COMPILATION BUNDLE
[Mostrar más]CHEM 120 TESTS COMPILATION BUNDLE
[Mostrar más]The major products of carbohydrate digestion are... correct answer: monosaccharides 
 
A key organ in regulating blood glucose levels is the... correct answer: liver 
 
The normal blood sugar level, for an adult, measured after a fast of 8-12 hours is... correct answer: 70-110mg/100mL 
 
Blood Su...
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Añadir al carritoThe major products of carbohydrate digestion are... correct answer: monosaccharides 
 
A key organ in regulating blood glucose levels is the... correct answer: liver 
 
The normal blood sugar level, for an adult, measured after a fast of 8-12 hours is... correct answer: 70-110mg/100mL 
 
Blood Su...
chemical bond correct answer: the attractive forces that holds two atoms together in a more complex unit 
 
ionic bond correct answer: a chemical bond formed through the transfer of one or more electrons from one atom to another atom, metal and nonmetal 
 
ionic compound correct answer: a compoun...
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Añadir al carritochemical bond correct answer: the attractive forces that holds two atoms together in a more complex unit 
 
ionic bond correct answer: a chemical bond formed through the transfer of one or more electrons from one atom to another atom, metal and nonmetal 
 
ionic compound correct answer: a compoun...
SI unit for Temperature correct answer: C 
 
F correct answer: (9/5 C) + 32 
 
C correct answer: 5/9 (F -32) 
 
K correct answer: C+273.15 
 
density correct answer: mass/volume 
 
1 mL correct answer: =1cm^3 = 1cc 
 
percent error correct answer: difference from known value/known value x 100...
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Añadir al carritoSI unit for Temperature correct answer: C 
 
F correct answer: (9/5 C) + 32 
 
C correct answer: 5/9 (F -32) 
 
K correct answer: C+273.15 
 
density correct answer: mass/volume 
 
1 mL correct answer: =1cm^3 = 1cc 
 
percent error correct answer: difference from known value/known value x 100...
Significant Figure correct answer: a digit that is either reliably known or closely estimated 
 
conversion factors correct answer: relationship between two quantities expressed as a fraction 
 (1 inch/2.45cm) 
 
element correct answer: the most basic form of matter that exists under ordinary con...
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Añadir al carritoSignificant Figure correct answer: a digit that is either reliably known or closely estimated 
 
conversion factors correct answer: relationship between two quantities expressed as a fraction 
 (1 inch/2.45cm) 
 
element correct answer: the most basic form of matter that exists under ordinary con...
How many bonds can nitrogen have? Which rule or principle should be used? 
 
A) Five bonds; octet rule. 
B) Three bonds; octet rule. 
C) Three bonds; the Hund's rule. 
D) Five bonds; the Aufbau Principle. correct answer: B 
 
When two hydrogen atoms meet, they will attract to each other and form a...
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Añadir al carritoHow many bonds can nitrogen have? Which rule or principle should be used? 
 
A) Five bonds; octet rule. 
B) Three bonds; octet rule. 
C) Three bonds; the Hund's rule. 
D) Five bonds; the Aufbau Principle. correct answer: B 
 
When two hydrogen atoms meet, they will attract to each other and form a...
chemistry correct answer: the science that tries to understand how matter behaves by studying how atoms and molecules behave 
 
scientific method correct answer: ways of learning that emphasizes observation and experimentation (self correcting) 
 
observation correct answer: we go out in nature a...
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Añadir al carritochemistry correct answer: the science that tries to understand how matter behaves by studying how atoms and molecules behave 
 
scientific method correct answer: ways of learning that emphasizes observation and experimentation (self correcting) 
 
observation correct answer: we go out in nature a...
What is a good scientific definition of a chemical? correct answer: Chemical- any substance made up of one or more elements from the periodic table 
 
What is the difficulty in defining the chemical industry in terms of the periodic chart? correct answer: The definition of a chemical is too broad....
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Añadir al carritoWhat is a good scientific definition of a chemical? correct answer: Chemical- any substance made up of one or more elements from the periodic table 
 
What is the difficulty in defining the chemical industry in terms of the periodic chart? correct answer: The definition of a chemical is too broad....
Which of these contributions did alchemists of the Middle Ages make to modern science? correct answer: -Sun-centered universe and metallurgy 
-Metallurgy and the development of scientific techniques 
-The scientific method and law of conservation of mass 
-Law of conservation of matter and first at...
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Añadir al carritoWhich of these contributions did alchemists of the Middle Ages make to modern science? correct answer: -Sun-centered universe and metallurgy 
-Metallurgy and the development of scientific techniques 
-The scientific method and law of conservation of mass 
-Law of conservation of matter and first at...
Levelling Effect correct answer: the inability of a solvent to differentiate amongst the relative strength of all acids 
 
OH- correct answer: the strongest base possible 
 
H3O+ correct answer: the strongest acid possible 
 
Differentiating effect correct answer: the ability of a solvent to dif...
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Añadir al carritoLevelling Effect correct answer: the inability of a solvent to differentiate amongst the relative strength of all acids 
 
OH- correct answer: the strongest base possible 
 
H3O+ correct answer: the strongest acid possible 
 
Differentiating effect correct answer: the ability of a solvent to dif...
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define matter correct answer: anything that has mass and takes up space 
 
what is not considered matter? correct answer: light, heat, electricity 
 
definite shape, definite volume correct answer: solid 
 
indefinite shape, definite volume correct answer: liquid 
 
indefinite shape, indefinite ...
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Añadir al carritodefine matter correct answer: anything that has mass and takes up space 
 
what is not considered matter? correct answer: light, heat, electricity 
 
definite shape, definite volume correct answer: solid 
 
indefinite shape, definite volume correct answer: liquid 
 
indefinite shape, indefinite ...
molecular mass (molecular weight) correct answer: the sum of the atomic masses, in atomic mass units, of all the atoms in the formula of a compound 
 
empirical formula correct answer: a chemical formula showing the ratio of elements in a compound rather than the total number of atoms 
 
Avogadro...
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Añadir al carritomolecular mass (molecular weight) correct answer: the sum of the atomic masses, in atomic mass units, of all the atoms in the formula of a compound 
 
empirical formula correct answer: a chemical formula showing the ratio of elements in a compound rather than the total number of atoms 
 
Avogadro...
What is the correct order of melting points for the following alkanes, from highest to lowest temperature? correct answer: heptane > hexane > ethane > methane 
 
2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) correct answer: ) 52...
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Añadir al carritoWhat is the correct order of melting points for the following alkanes, from highest to lowest temperature? correct answer: heptane > hexane > ethane > methane 
 
2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) correct answer: ) 52...
ionic compounds correct answer: -deals with charged particles 
-oppositely charged particles are attracted to each other 
-look for presence of metals and polyatomic ions 
 
molecular compounds correct answer: -share electrons 
-nonmetals 
-no polyatomic ions unless its an acid 
 
Type I metals co...
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Añadir al carritoionic compounds correct answer: -deals with charged particles 
-oppositely charged particles are attracted to each other 
-look for presence of metals and polyatomic ions 
 
molecular compounds correct answer: -share electrons 
-nonmetals 
-no polyatomic ions unless its an acid 
 
Type I metals co...
what is the formula for ionic compound correct answer: Xm+ Yn-= XnYm 
 
name the ionic compound Na+ I- correct answer: NaI 
 
name the ionic compound Ba2+ O2- correct answer: BaO 
 
Name ionic compounds Mg2+ N-3 correct answer: Cross multiply Mg3N2 (numbers are subscript) 
 
What is an ionic com...
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Añadir al carritowhat is the formula for ionic compound correct answer: Xm+ Yn-= XnYm 
 
name the ionic compound Na+ I- correct answer: NaI 
 
name the ionic compound Ba2+ O2- correct answer: BaO 
 
Name ionic compounds Mg2+ N-3 correct answer: Cross multiply Mg3N2 (numbers are subscript) 
 
What is an ionic com...
Polyatomic ions correct answer: ions that are made of more than one atom 
 
Nitrate correct answer: NO3- 
 
Nitrite correct answer: NO2- 
 
bicarbonate (hydrogen carbonate) correct answer: HCO3- 
 
Sulfate correct answer: SO4 2- 
 
Sulfite correct answer: SO3 2- 
 
Carbonate correct answer: C...
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Añadir al carritoPolyatomic ions correct answer: ions that are made of more than one atom 
 
Nitrate correct answer: NO3- 
 
Nitrite correct answer: NO2- 
 
bicarbonate (hydrogen carbonate) correct answer: HCO3- 
 
Sulfate correct answer: SO4 2- 
 
Sulfite correct answer: SO3 2- 
 
Carbonate correct answer: C...
Saturated correct answer: alkane 
 
Unsaturated correct answer: alkenes and alkynes 
 
CH3CH2CH2CH2CH3 correct answer: Pentane 
 
C2H6 correct answer: Ethane 
 
what are your terminal carbons correct answer: CH3 
 
CH3-CH2-CH3 
 | 
 CH3 correct answer: 2-methyl-propane 
 
T or F: the branch ne...
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Añadir al carritoSaturated correct answer: alkane 
 
Unsaturated correct answer: alkenes and alkynes 
 
CH3CH2CH2CH2CH3 correct answer: Pentane 
 
C2H6 correct answer: Ethane 
 
what are your terminal carbons correct answer: CH3 
 
CH3-CH2-CH3 
 | 
 CH3 correct answer: 2-methyl-propane 
 
T or F: the branch ne...
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Hypothesis correct answer: a testable educated guess 
 
Experiment correct answer: how we test hypotheses 
 
Variable correct answer: Idea to be tested (only one) 
 
Control correct answer: Something the variable is tested against 
 
Experimental protocol correct answer: How do you do the test?...
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Añadir al carritoHypothesis correct answer: a testable educated guess 
 
Experiment correct answer: how we test hypotheses 
 
Variable correct answer: Idea to be tested (only one) 
 
Control correct answer: Something the variable is tested against 
 
Experimental protocol correct answer: How do you do the test?...
Chemistry correct answer: The study of matter and the changes it undergoes 
 
Matter correct answer: Anything that has mass and occupies space 
 
Element correct answer: Basic material that can NOT be broken down into simpler substance 
 
What is matter made up of? correct answer: Atoms and Mole...
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Añadir al carritoChemistry correct answer: The study of matter and the changes it undergoes 
 
Matter correct answer: Anything that has mass and occupies space 
 
Element correct answer: Basic material that can NOT be broken down into simpler substance 
 
What is matter made up of? correct answer: Atoms and Mole...
Fahrenheit - 1.8(C) + 32 
 
Celsius - (F-32)/1.8 
 
Physical property - properties can be observed without changing the identity of the substance under observation 
 
Chemical property - properties can only be observed during a change int he identity of the substance under observation 
 
examples of...
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Añadir al carritoFahrenheit - 1.8(C) + 32 
 
Celsius - (F-32)/1.8 
 
Physical property - properties can be observed without changing the identity of the substance under observation 
 
Chemical property - properties can only be observed during a change int he identity of the substance under observation 
 
examples of...
scientific notation correct answer: 3.94 x 10⁷= 
0. = 8.0 x 10⁻⁶ 
 
measured v. exact numbers correct answer: measured = obtained through measurement and are uncertain 
exact = obtained through counting and are certain 
 
precision v. accuracy correct answer: precision = close to each othe...
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Añadir al carritoscientific notation correct answer: 3.94 x 10⁷= 
0. = 8.0 x 10⁻⁶ 
 
measured v. exact numbers correct answer: measured = obtained through measurement and are uncertain 
exact = obtained through counting and are certain 
 
precision v. accuracy correct answer: precision = close to each othe...
An object has a mass of 7.748 g and a volume of 5.6 mL. What is its density? Give your answer to the nearest tenths place correct answer: 1.4 g/mL 
 
An object has a mass of 12.876 g and a density of 1.5 g/mL. What is its volume? Give your answer to the tenths place correct answer: 8.6 mL 
 
An ob...
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Añadir al carritoAn object has a mass of 7.748 g and a volume of 5.6 mL. What is its density? Give your answer to the nearest tenths place correct answer: 1.4 g/mL 
 
An object has a mass of 12.876 g and a density of 1.5 g/mL. What is its volume? Give your answer to the tenths place correct answer: 8.6 mL 
 
An ob...
The metric prefix which means 0.01 (one-one hundredth) is centi 
 
How many meters are in 1 kilometer? 1000 
 
The amount of matter in an object is its mass 
 
Which of the following has the largest density? 1.8 g object with a volume of 1.0 mL 
 
A piece of metal is believed to be eithe...
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Añadir al carritoThe metric prefix which means 0.01 (one-one hundredth) is centi 
 
How many meters are in 1 kilometer? 1000 
 
The amount of matter in an object is its mass 
 
Which of the following has the largest density? 1.8 g object with a volume of 1.0 mL 
 
A piece of metal is believed to be eithe...
Celsius formula - C= (F-32)/1.8 
 
Kelvin formula - K=C+273.15 
 
density formula and units - D (g/mL, g/L, Kg/m^3)= M (kg) / V (m^3, cm^3, L , mL) 
 
Precision - a measure of how close a series of measurements are to one another 
 
Accuracy - how close a measurement is to the true value 
 
Law of C...
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Añadir al carritoCelsius formula - C= (F-32)/1.8 
 
Kelvin formula - K=C+273.15 
 
density formula and units - D (g/mL, g/L, Kg/m^3)= M (kg) / V (m^3, cm^3, L , mL) 
 
Precision - a measure of how close a series of measurements are to one another 
 
Accuracy - how close a measurement is to the true value 
 
Law of C...
What is the recommended protective clothing for the lab? correct answer: Safety goggles: 
-slash proof safety goggles are required and give the max protection from spills and flying objects 
 
Footwear: 
-shoes that fully cover the feet 
 
Lab coats: 
-not required but strongly recommended to pro...
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Añadir al carritoWhat is the recommended protective clothing for the lab? correct answer: Safety goggles: 
-slash proof safety goggles are required and give the max protection from spills and flying objects 
 
Footwear: 
-shoes that fully cover the feet 
 
Lab coats: 
-not required but strongly recommended to pro...
What do you need to accomplish before you can start the lab? correct answer: WHIMIS 
 
Things to do to prevent accidents/injury? correct answer: Pay attention to instructions 
Never leave equipment unattended 
Keep work area clean 
Wipe spills immediately 
No personal belongings on top 
Learn disp...
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Añadir al carritoWhat do you need to accomplish before you can start the lab? correct answer: WHIMIS 
 
Things to do to prevent accidents/injury? correct answer: Pay attention to instructions 
Never leave equipment unattended 
Keep work area clean 
Wipe spills immediately 
No personal belongings on top 
Learn disp...
Hydrocarbons correct answer: contain only carbon and hydrogen 
 
Alkanes correct answer: single bonds, saturated, sp3 hybrid, tetrahedral, 109.5 deg, sigma bonds only, free rotation about C 
 
Alkenes correct answer: double bonds, unsaturated, sp2 hybrid, trigonal planar, flat, rigid about C, pi ...
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Añadir al carritoHydrocarbons correct answer: contain only carbon and hydrogen 
 
Alkanes correct answer: single bonds, saturated, sp3 hybrid, tetrahedral, 109.5 deg, sigma bonds only, free rotation about C 
 
Alkenes correct answer: double bonds, unsaturated, sp2 hybrid, trigonal planar, flat, rigid about C, pi ...
Chemistry correct answer: The study of the properties of matter and how matter changes 
 
Basic Unit in Chemistry correct answer: atom 
 
Types of Chemistry correct answer: Green Chemistry 
Sustainable Chemistry 
 
green chemistry correct answer: uses materials and processes that are intended t...
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Añadir al carritoChemistry correct answer: The study of the properties of matter and how matter changes 
 
Basic Unit in Chemistry correct answer: atom 
 
Types of Chemistry correct answer: Green Chemistry 
Sustainable Chemistry 
 
green chemistry correct answer: uses materials and processes that are intended t...
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