CHEE (Chemistry)
University Of Houston - Main Campus
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CHEM/CheE :What is Matter - Compounds, Molecules and Chemistry
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CHEM/CheE :What is Matter - Compounds, Molecules and Chemistry 
 
 
Chemistry - correct answer the study of matter and how it changes 
 
Compound - correct answer A substance made of two or more elements that are chemically combined in a set ratio 
 
Molecule - correct answer A group of 2 or more atoms held together by chemical bonds 
 
Chemical Formula - correct answer represents the elements and number of atoms that make up a molecule or compound 
 
Chemical Equation - correct answer the ...
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chemical engineering exam study guide
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chemical engineering/chemistry/stichemistry exam study guide
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CheE: Stiochiometry
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CheE: Stiochiometry 
 
 
avagadro's number - 6.02x10(to the power of 23)- the number of atoms or molecules in a mole 
 
conversion factor - a ratio of values used to express the same quantity in different units 
 
mola mass - the mass in grams of one mole of any pure substance 
 
mole - the SI base unit for the amount of a substance 
 
mole ratio - in a balanced equation, the ratio between the numbers of moles of any two substances (the coefficient ratio) 
 
stoichiometry - the study of quantit...
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CheE:Physical Change vs Chemical Change
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CheE:Physical Change vs Chemical Change 
 
 
Frying an egg - correct answerchemical 
 
hammering a nail into a board - correct answerphysical 
 
slicing a banana - correct answerphysical 
 
boiling water - correct answerphysical 
 
evaporating alcohol or water - correct answerphysical 
 
burning toast - correct answerchemical 
 
rusting bike - correct answerchemical
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CheE Chemical Bonding & Reactions Vocabulary
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CheE Chemical Bonding & Reactions Vocabulary 
 
 
chemical bond - correct answerthe force that holds two atoms together 
 
ionic bond - correct answerFormed when one or more electrons are transferred from one atom to another 
 
covalent bond - correct answerA chemical bond that involves sharing a pair of electrons between atoms in a molecule 
 
Cation - correct answerA positively charged ion 
 
Anion - correct answerA negatively charged ion 
 
nomenclature - correct answertechnical names or nami...
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CheE Chemical Reactions, Types of Chemical Reactions
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CheE Chemical Reactions, Types of Chemical Reactions 
 
 
precipitate - correct answer Solid compound produced from 2 liquids during a chemical reaction. Sign of a chemical reaction. 
 
bubbles - correct answer Gas given off during a chemical reaction; may or may not have an odour. Sign of a chemical reaction. 
 
signs of a chemical reaction - correct answer change in temperature, formation of bubbles, precipitate forms, color change, change in smell, difficult to reverse 
 
subscript - co...
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CheE 8th Grade Science Unit 1 Properties and Changes
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Physical property - correct answerA characteristic of a pure substance that can be observed without changing it into another substance 
 
melting point - correct answerThe temperature at which a solid becomes a liquid 
 
boiling point - correct answerThe temperature at which a liquid boils, changing from a liquid to a gas 
 
density - correct answerrelationship between mass and volume of a substance, unchanged by size of matter 
 
chemical property - correct answera property of matter that descr...
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CheE: TCI Qtr 2 MATTER Vocab Review
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CheE: TCI Qtr 2 MATTER Vocab Review 
 
 
Periodic table of the elements - correct answerA table that classifies elements by their physical and chemical properties; rows are called periods; columns are called groups; 
 
Constraint - correct answer1. A limit to a design process. Constraints may be such things as appearance, funding, space, materials, and human capabilities. 2. A limitation or restriction. 
 
element - correct answerfundamental building blocks of matter; A pure substance made of on...
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CheE Understanding Chemical Reactions (MGH 12.1) Set 2
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CheE Understanding Chemical Reactions (MGH 12.1) Set 2 
 
 
chemical symbol - correct answerone or two letters used to represent chemical elements; first is always uppercase 
 
subscript - correct answera number in a chemical formula that tells the amount of atoms in a molecule; small number to the bottom right of the chemical symbol 
 
coefficient - correct answera number in front of a chemical formula in an equation that indicates how many molecules or atoms of substance are involved in a reac...
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CHEE Unit 3: Conservation of Mass
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CHEE Unit 3: Conservation of Mass 
 
 
endothermic reaction - correct answerA reaction that ABSORBS energy in the form of heat 
 
exothermic reaction - correct answera chemical reaction in which heat is released to the surroundings 
 
conservation of mass - correct answerthe principle stating that matter is not created or destroyed during a chemical reaction 
 
Mass - correct answerthe total number of particles in a system 
 
Molecule - correct answerA group of atoms bonded together 
 
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