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[Show more]What is chemistry? correct answersChemistry is the study of the physical and compositional changes of matter. 
 
 Chemistry is called the Central Science. 
 
 Many health related areas of study are based on Chemistry. 
 
Matter correct answersMatter is anything that has mass, occupies space and is m...
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Add to cartWhat is chemistry? correct answersChemistry is the study of the physical and compositional changes of matter. 
 
 Chemistry is called the Central Science. 
 
 Many health related areas of study are based on Chemistry. 
 
Matter correct answersMatter is anything that has mass, occupies space and is m...
Lewis Structures correct answersrepresents the transfer or the sharing of electrons in chemical bonds 
 
octet rule correct answersEVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL 
 
ionic bonding correct answerschemical bond formed through the transfer of one or more electrons from one atom or grou...
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Add to cartLewis Structures correct answersrepresents the transfer or the sharing of electrons in chemical bonds 
 
octet rule correct answersEVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL 
 
ionic bonding correct answerschemical bond formed through the transfer of one or more electrons from one atom or grou...
Atoms are made up of protons, neutrons, and electrons. The charge on an electron is ____ correct answers-1 
 
Atoms are made up of protons, neutrons, and electrons. The charge on a neutron is ____ correct answers0 
 
How many atoms are there in a single molecule of glucose (C6H12O6)? correct answers...
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Add to cartAtoms are made up of protons, neutrons, and electrons. The charge on an electron is ____ correct answers-1 
 
Atoms are made up of protons, neutrons, and electrons. The charge on a neutron is ____ correct answers0 
 
How many atoms are there in a single molecule of glucose (C6H12O6)? correct answers...
Matter correct answersAnything that occupies space and possesses mass 
 
Mass correct answersMeasure of the quantity of matter contained 
 
Weight correct answersRefers to the force which gravity exerts upon an object 
 
Substance correct answersForm of matter that has a definite composition and dis...
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Add to cartMatter correct answersAnything that occupies space and possesses mass 
 
Mass correct answersMeasure of the quantity of matter contained 
 
Weight correct answersRefers to the force which gravity exerts upon an object 
 
Substance correct answersForm of matter that has a definite composition and dis...
The rusting of a Nail is both a chemical and a physical change. 
 
True 
False correct answersTrue 
 
A rock on Mars would have the same mass if taken back to Earth. 
 
True 
False correct answersTrue 
 
The chemical symbol for gold is Ag. 
 
True 
False correct answersFalse 
 
In the Color Scheme o...
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Add to cartThe rusting of a Nail is both a chemical and a physical change. 
 
True 
False correct answersTrue 
 
A rock on Mars would have the same mass if taken back to Earth. 
 
True 
False correct answersTrue 
 
The chemical symbol for gold is Ag. 
 
True 
False correct answersFalse 
 
In the Color Scheme o...
Which of the following is an example of a physical property? 
a. Ability to change color 
b. Flammability 
c. Density 
d. Solubility 
 
Exam 1 correct answersc. Density 
 
Which of the following is evidence of a chemical change? 
a. Releasing bubbles of gas 
b. Floating in water 
c. Crystallization ...
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Add to cartWhich of the following is an example of a physical property? 
a. Ability to change color 
b. Flammability 
c. Density 
d. Solubility 
 
Exam 1 correct answersc. Density 
 
Which of the following is evidence of a chemical change? 
a. Releasing bubbles of gas 
b. Floating in water 
c. Crystallization ...
sig fig rules correct answers1) all nonzero numbers = significant 
2) zeros b/w nonzero numbers = significant 
3) leading zeros NOT significant 
4) trailing zeros NOT significant 
- but are if decimal 
 
what do you need to cube when converting between cubic length units correct answerscube conversi...
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Add to cartsig fig rules correct answers1) all nonzero numbers = significant 
2) zeros b/w nonzero numbers = significant 
3) leading zeros NOT significant 
4) trailing zeros NOT significant 
- but are if decimal 
 
what do you need to cube when converting between cubic length units correct answerscube conversi...
What is an acid? correct answerssolution has an excess of H+ ions 
 
What is a base? correct answerssolution has an excess of hydroxyl ions (OH-) 
 
What is neutralization? correct answers-process where acid and base are mixed until they become neutral and the PH is 7. 
 
What are the two products o...
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Add to cartWhat is an acid? correct answerssolution has an excess of H+ ions 
 
What is a base? correct answerssolution has an excess of hydroxyl ions (OH-) 
 
What is neutralization? correct answers-process where acid and base are mixed until they become neutral and the PH is 7. 
 
What are the two products o...
stoichiometric ratio correct answersthe ratio of the number of moles of one reactant or product to another reactant or product or product 
 
limiting reactants correct answersone or more reactants are completely consumed in the chemical reaction 
 
theoretical yield correct answersthe amount of prod...
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Add to cartstoichiometric ratio correct answersthe ratio of the number of moles of one reactant or product to another reactant or product or product 
 
limiting reactants correct answersone or more reactants are completely consumed in the chemical reaction 
 
theoretical yield correct answersthe amount of prod...
A uniform combination of two or more pure substances can be classified as _____. correct answersa homogeneous mixture 
 
Which of these pure substances is an element? 
 
- C12H22O11 (sucrose, table sugar) 
- O2 
- CH4 (methane, the primary component of natural gas) 
- NH3 (ammonia, a component of fe...
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Add to cartA uniform combination of two or more pure substances can be classified as _____. correct answersa homogeneous mixture 
 
Which of these pure substances is an element? 
 
- C12H22O11 (sucrose, table sugar) 
- O2 
- CH4 (methane, the primary component of natural gas) 
- NH3 (ammonia, a component of fe...
Addition reaction correct answersaddition of a molecule across a double bond 
 
Hydrolosis correct answersbreaking apart a molecule from addition of water 
 
Substitution reaction correct answersone or more atoms in a molecule are replaced with another atom or group of atoms 
 
hydration reaction co...
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Add to cartAddition reaction correct answersaddition of a molecule across a double bond 
 
Hydrolosis correct answersbreaking apart a molecule from addition of water 
 
Substitution reaction correct answersone or more atoms in a molecule are replaced with another atom or group of atoms 
 
hydration reaction co...
Applied Research correct answersA type of research that focuses on developing applications of knowledge gained through basic research. 
 
Basic Research correct answersA type of research that leads us to a greater understanding of how the natural world operates. 
 
Chemistry correct answersThe study...
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Add to cartApplied Research correct answersA type of research that focuses on developing applications of knowledge gained through basic research. 
 
Basic Research correct answersA type of research that leads us to a greater understanding of how the natural world operates. 
 
Chemistry correct answersThe study...
Thermodynamics correct answersthe study of energy and its transformations 
 
Thermochemistry correct answersthe study of the relationships between chemical reactions involving heat. 
 
Kinetic energy correct answersenergy of motion: E=1/2mv^2 
 
Potential energy correct answersenergy an object posse...
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Add to cartThermodynamics correct answersthe study of energy and its transformations 
 
Thermochemistry correct answersthe study of the relationships between chemical reactions involving heat. 
 
Kinetic energy correct answersenergy of motion: E=1/2mv^2 
 
Potential energy correct answersenergy an object posse...
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Which of the following processes are exothermic: 
1) Adding magnesium to a solution of HCl 
2) Water freezing on a cherry blossom 
3) The reaction of H2 and O2 gases to form water correct answersAll 
 
In the "collapsing can" experiment demonstrated in class (where a small amount of water was adde...
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Add to cartWhich of the following processes are exothermic: 
1) Adding magnesium to a solution of HCl 
2) Water freezing on a cherry blossom 
3) The reaction of H2 and O2 gases to form water correct answersAll 
 
In the "collapsing can" experiment demonstrated in class (where a small amount of water was adde...
accuracy correct answerscloseness of a measurement to its true value 
 
percision correct answershow closely repeated measurements agree with each other 
 
M correct answersmega 10^6 
 
k correct answerskilo 10^3 
 
c correct answerscenti 10^-2 
 
m correct answersmilli 10^-3 
 
μ correct answersmi...
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Add to cartaccuracy correct answerscloseness of a measurement to its true value 
 
percision correct answershow closely repeated measurements agree with each other 
 
M correct answersmega 10^6 
 
k correct answerskilo 10^3 
 
c correct answerscenti 10^-2 
 
m correct answersmilli 10^-3 
 
μ correct answersmi...
How many Cl atoms are present in an HFC molecule? correct answersZero 
 
How many H atoms are present in a CFC molecule? correct answersZero 
 
How many H atoms are present in an HCFC molecule? correct answersat least One 
 
Most of the light used in tanning beds is classified as: correct answersUV-...
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Add to cartHow many Cl atoms are present in an HFC molecule? correct answersZero 
 
How many H atoms are present in a CFC molecule? correct answersZero 
 
How many H atoms are present in an HCFC molecule? correct answersat least One 
 
Most of the light used in tanning beds is classified as: correct answersUV-...
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A piece of shiny metal was found pm the edge of the road. The metal was put on a balance and had a mass of 1.325g. The volume was determined by difference when the metal was placed into a 20.00 ml column of oil, which was displaced to 34.97ml. correct answersa) volume=14.97ml 
b) 0.08851 
 
possible...
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Add to cartA piece of shiny metal was found pm the edge of the road. The metal was put on a balance and had a mass of 1.325g. The volume was determined by difference when the metal was placed into a 20.00 ml column of oil, which was displaced to 34.97ml. correct answersa) volume=14.97ml 
b) 0.08851 
 
possible...
A major advantage of a fuel cell over a standard battery is that correct answersas long as oxygen and fuel are supplied, a fuel cell will not run down like a battery will. 
 
Which of the following statements is not true about PEM fuel cells? correct answersPEM fuel cells rely on inexpensive catalys...
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Add to cartA major advantage of a fuel cell over a standard battery is that correct answersas long as oxygen and fuel are supplied, a fuel cell will not run down like a battery will. 
 
Which of the following statements is not true about PEM fuel cells? correct answersPEM fuel cells rely on inexpensive catalys...
Describe how to calculate momentum. correct answersmass (m) x velocity (v) 
 
Describe how to calculate wavelength. correct answersh (6.*10^-34) / momentum (p) 
 
The higher the n shell (or the farther away from the nucleus), the ___ (higher/lower) the energy. correct answershigher 
 
The lower the ...
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Add to cartDescribe how to calculate momentum. correct answersmass (m) x velocity (v) 
 
Describe how to calculate wavelength. correct answersh (6.*10^-34) / momentum (p) 
 
The higher the n shell (or the farther away from the nucleus), the ___ (higher/lower) the energy. correct answershigher 
 
The lower the ...
Density correct answersD=mass/volume 
 
% error correct answers(Theory-actual)(100%)/theory 
 
%accuracy correct answersActual(100%)/theory 
 
Halogens correct answersF, Cl, Br, I, At 
 
Molecular Weight correct answersSum of atomic weights 
 
Atomic Weight Formula correct answersAW=E(isotope%)(isot...
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Add to cartDensity correct answersD=mass/volume 
 
% error correct answers(Theory-actual)(100%)/theory 
 
%accuracy correct answersActual(100%)/theory 
 
Halogens correct answersF, Cl, Br, I, At 
 
Molecular Weight correct answersSum of atomic weights 
 
Atomic Weight Formula correct answersAW=E(isotope%)(isot...
Which of the following is not an example of 
a condensation reactions? 
-The reaction of glucose and fructose to form sucrose. 
-The reaction of fatty acids and glycerol to form a triglyceride. 
-The reaction of cellulose and water in the presence of cellulase to form glucose. correct answersThe re...
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Add to cartWhich of the following is not an example of 
a condensation reactions? 
-The reaction of glucose and fructose to form sucrose. 
-The reaction of fatty acids and glycerol to form a triglyceride. 
-The reaction of cellulose and water in the presence of cellulase to form glucose. correct answersThe re...
alkene correct answerscontains a double bond 
 
alkyne correct answerscontains a tripple bond 
 
aromatic correct answerscarbon/hydrogen ring wiht alternating double bonds 
 
primary alcohol correct answerscarbon bonded directly to 1 oxygen atom and 1 carbon atom 
 
secondary alcohol correct answers...
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Add to cartalkene correct answerscontains a double bond 
 
alkyne correct answerscontains a tripple bond 
 
aromatic correct answerscarbon/hydrogen ring wiht alternating double bonds 
 
primary alcohol correct answerscarbon bonded directly to 1 oxygen atom and 1 carbon atom 
 
secondary alcohol correct answers...
Air pollution solutions correct answersdrive less, use less, burn less 
 
SOx correct answersSO2-- formed when coal is burned added into water creates sulfuric acid 
 
SO3 formed from O2 + SO2 causes sulferec acid 
 
VOC correct answersVolatile organic compounds 
 
Organic compounds that easily be...
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Add to cartAir pollution solutions correct answersdrive less, use less, burn less 
 
SOx correct answersSO2-- formed when coal is burned added into water creates sulfuric acid 
 
SO3 formed from O2 + SO2 causes sulferec acid 
 
VOC correct answersVolatile organic compounds 
 
Organic compounds that easily be...
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