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CHM 1045 exam Pack Questions and Correct Answers | Latest Update | A+
CHM 1045 exam Pack Questions and Correct Answers | Latest Update | A+
[Show more]CHM 1045 exam Pack Questions and Correct Answers | Latest Update | A+
[Show more]Thermochemistry 
Ans: the study of the amount of heat absorbed or released during a chemical of physical 
reaction 
Energy 
Ans: the capacity to do work 
- causing matter to move against an opposing force 
Potential energy 
Ans: the energy of an object has based on its relative position, compositio...
Preview 3 out of 19 pages
Add to cartThermochemistry 
Ans: the study of the amount of heat absorbed or released during a chemical of physical 
reaction 
Energy 
Ans: the capacity to do work 
- causing matter to move against an opposing force 
Potential energy 
Ans: the energy of an object has based on its relative position, compositio...
Define the Scientific Method 
Ans: The general process of advancing scientific knowledge through observation, the framing 
of laws, hypotheses, or theories, and the conducting of more experiments 
Define the Law of Conservation of Mass 
Ans: The total mass remains constant during a chemical change ...
Preview 2 out of 10 pages
Add to cartDefine the Scientific Method 
Ans: The general process of advancing scientific knowledge through observation, the framing 
of laws, hypotheses, or theories, and the conducting of more experiments 
Define the Law of Conservation of Mass 
Ans: The total mass remains constant during a chemical change ...
Chemistry is... 
Ans:the study of matter 
Matter is... 
Ans:anything that takes up space and has mass 
Physical properties = 
Ans:are those which can be observed without changing the substance into something else 
Chemical properties = 
Ans:are those which are observed by changing one substance into...
Preview 3 out of 22 pages
Add to cartChemistry is... 
Ans:the study of matter 
Matter is... 
Ans:anything that takes up space and has mass 
Physical properties = 
Ans:are those which can be observed without changing the substance into something else 
Chemical properties = 
Ans:are those which are observed by changing one substance into...
chemistry 
Ans: the study of matter and the changes it undergoes 
scientific method 
Ans: systematic approach to research 
hypothesis 
Ans: temporary explanation for the observation 
law 
Ans: concise statement of a relationship between phenomena that is always the same 
conditions or standards 
th...
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Add to cartchemistry 
Ans: the study of matter and the changes it undergoes 
scientific method 
Ans: systematic approach to research 
hypothesis 
Ans: temporary explanation for the observation 
law 
Ans: concise statement of a relationship between phenomena that is always the same 
conditions or standards 
th...
Formulas to conv. Celsius to Fahrenheit 
Ans: 1. F = (C x 9/5) +32 
2. C = (F +32) x 5/9 
Formulas to conv. Kelvin to Celsius 
Ans: C = K - 273.15 
Formula for density 
Ans: d = m/v 
How to find neutrons in an isotope? 
Ans: number given - number of protons (equal to number on periodic table) 
How t...
Preview 2 out of 8 pages
Add to cartFormulas to conv. Celsius to Fahrenheit 
Ans: 1. F = (C x 9/5) +32 
2. C = (F +32) x 5/9 
Formulas to conv. Kelvin to Celsius 
Ans: C = K - 273.15 
Formula for density 
Ans: d = m/v 
How to find neutrons in an isotope? 
Ans: number given - number of protons (equal to number on periodic table) 
How t...
covalent bonds form based on 
Ans:the sharing of electrons that provides an octet of electrons for each 
most energetically stable elements in the periodic table 
Ans:noble gases 
noble gases are also referred to as 
Ans:inert gases 
octet rule 
Ans:all atoms should strive to have 8 electrons in the...
Preview 4 out of 31 pages
Add to cartcovalent bonds form based on 
Ans:the sharing of electrons that provides an octet of electrons for each 
most energetically stable elements in the periodic table 
Ans:noble gases 
noble gases are also referred to as 
Ans:inert gases 
octet rule 
Ans:all atoms should strive to have 8 electrons in the...
kinetic energy 
Ans:energy of motion 
potential energy 
Ans:stored energy 
endothermic 
Ans:absorbs heat 
exothermic 
Ans:releases heat 
deposition 
Ans:gas to solid 
sublimation 
Ans:solid to gas 
condensation 
Ans:gas to liquid 
evaporation 
Ans:liquid to gas 
physical properties 
Ans:the page is ...
Preview 3 out of 25 pages
Add to cartkinetic energy 
Ans:energy of motion 
potential energy 
Ans:stored energy 
endothermic 
Ans:absorbs heat 
exothermic 
Ans:releases heat 
deposition 
Ans:gas to solid 
sublimation 
Ans:solid to gas 
condensation 
Ans:gas to liquid 
evaporation 
Ans:liquid to gas 
physical properties 
Ans:the page is ...
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