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energy

Chapter 7

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Chemistry
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thermodynamics
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Calorimeter
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energy
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Chemistry 1210: Introduction to General Chemistry Dr. Gina M. Florio 18 October 2012 Brady, Jespersen, Hyslop Chapter 7 Energy & Chemical Change Thermochemistry: the study of energy flow during a chemical reaction Ch. 7.1 Energy: the ability to do work; often measured as heat Kinetic Energy: the energy of motion; KE = ?mv2 Potential Energy: stored or positional energy; chemical energy (no simple eqn.) Conservation of Energy: 1. Energy cannot be created or destroyed 2. Energy is only converted from one form to another (KE ? PE) 3. Total energy of the universe (or an isolated system) is constant Thermochemistry: Basic Definitions Units of Energy 1 Joule (J) ? the KE possessed by a 2 kg object moving at a velocity of 1 m/s 1 cal = 4.184 J (exactly) 1 kcal = 4.184 kJ

Math Review Answers

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Biology
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Physics
State functions
Chemistry
Physical chemistry
Entropy
Reaction rate
Temperature
energy
star
Thermodynamic free energy
electron
Catalysis
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Evolutionary biology
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AP BIO EQUATIONS AND FORMULAS REVIEW SHEET #1 Formulas: Mode = value that occurs most frequently in a data set Median = middle value that separates the greater and lesser halves of a data set Mean = sum of all data points divided by the number of data points Range = value obtained by subtracting the smallest observation (sample minimum) from the greatest (sample maximum) Standard Deviation = where = mean and n = size of the sample Example problem: One of the lab groups collected the following data for the heights (in cm) of their Wisconsin Fast Plants: 5.4 7.2 4.9 9.3 7.2 8.1 8.5 5.4 7.8 10.2 Find the mode, median, mean, and range. Show your work where necessary. 4.9 5.4 5.4 7.2 7.2 7.8 8.1 8.5 9.3 10.2 Mode:__5.4, 7.2 ___

Math Problems Answer

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Biology
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Physics
State functions
Chemistry
Physical chemistry
Entropy
Reaction rate
Temperature
energy
star
Thermodynamic free energy
electron
Catalysis
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

AP BIO EQUATIONS AND FORMULAS REVIEW SHEET #1 Formulas: Mode = value that occurs most frequently in a data set Median = middle value that separates the greater and lesser halves of a data set Mean = sum of all data points divided by the number of data points Range = value obtained by subtracting the smallest observation (sample minimum) from the greatest (sample maximum) Standard Deviation = where = mean and n = size of the sample Example problem: One of the lab groups collected the following data for the heights (in cm) of their Wisconsin Fast Plants: 5.4 7.2 4.9 9.3 7.2 8.1 8.5 5.4 7.8 10.2 Find the mode, median, mean, and range. Show your work where necessary. 4.9 5.4 5.4 7.2 7.2 7.8 8.1 8.5 9.3 10.2 Mode:__5.4, 7.2 ___

Math Problems

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Biology
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Chemistry
State functions
Chemical kinetics
Equilibrium chemistry
Entropy
Philosophy of thermal and statistical physics
Reaction rate
PH
Carbon dioxide
energy
Magnesium in biology
Catalysis
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

AP Biology Statistics Review 2013! ( AP BIO EQUATIONS AND FORMULAS REVIEW SHEET #1 Formulas: Mode = value that occurs most frequently in a data set Median = middle value that separates the greater and lesser halves of a data set Mean = sum of all data points divided by the number of data points Range = value obtained by subtracting the smallest observation (sample minimum) from the greatest (sample maximum) Standard Deviation = where = mean and n = size of the sample Example problem: One of the lab groups collected the following data for the heights (in cm) of their Wisconsin Fast Plants: 5.4 7.2 4.9 9.3 7.2 8.1 8.5 5.4 7.8 10.2 Find the mode, median, mean, and range. Show your work where necessary Mode:____________ Median:___________ Mean:____________

Campbell AP Bio Study Guide Chapter 8

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Biology
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Chemistry
metabolism
State functions
Enzymes
Catalysis
Chemical kinetics
Enzyme
Chemical reaction
Endergonic reaction
energy
Entropy
Enzyme kinetics
behavior
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Campbell's Biology, 9e (Reece et al.) Chapter 8 An Introduction to Metabolism This chapter lays the foundations for the chapters on respiration and photosynthesis. Key concepts are as follows: The laws of thermodynamics govern energy transformations by living organisms, metabolic reactions couple energy-harvesting reactions to reactions that accomplish cellular work, and enzymes increase the rates of reaction. Understanding the properties of enzymes, how they work, and how their activities are regulated is necessary to achieve an understanding of metabolic pathways. Multiple-Choice Questions 1) Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? A) catalysis B) metabolism C) anabolism D) dehydration E) catabolism

Field report of zero carbon centre

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Environmental Science
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sustainability
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energy
Low-energy building
Sustainable building
Sustainable architecture
Heating, ventilating, and air conditioning
Energy economics
Zero-energy building
Low-carbon economy
Renewable Energy
Passive solar building design
behavior
Human development
Interpersonal relationships
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CCST9016 Field Visit Report Name: Lau Ka Lap UID: 3035074048 Introduction: Zero Carbon Building, which is also called ZCB, is developed to show the eco-building technological designs and promote strategies about energy efficiency and renewable energy technologies (ZCB 2012). In the field trip, I have learnt much from this real-life example of Zero Carbon Building. Findings:

Incineration

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Environmental Science
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energy
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Fuel cell
Gasification
behavior
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Further Application of Incineration ? new fuel cell Original fuel cell New fuel cell using incineration waste Waste : fly ash reason: high calcium content (66.8 wt% )for the formation of calcium phosphate hydrogel What is calcium phosphate hydrogel? a type of fast proton conductor, increase the efficiency of fuel cell Calcium phosphate hydrogel (a) Incineration fly ash + phosphoric acid (b) mixture of K2CO3 and CaCO3 reagents (c) CaCO3 reagent Performance of new fuel cell Performance of new fuel cell The performance of the fuel cell containing calcium phosphate hydrogel synthesized from incineration fly ash is almost equal to that of the fuel cell containing a hydrogel membrane obtained from other reagents

campbell_ap_bio_practice_test_ch8

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Biology
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Chemistry
Physical chemistry
metabolism
Enzymes
State functions
Catalysis
Chemical kinetics
Enzyme
Bioenergetics
Entropy
energy
Exergonic

Chapter?8 An?Introduction?to?Metabolism Multiple-Choice?Questions 1) Which?term?most?precisely?describes?the?cellular?process?of?breaking?down?large?molecules?into?smaller?ones? A) catalysis B) metabolism C) anabolism D) dehydration E) catabolism Answer: E Topic: Concept?8.1 Skill: Knowledge/Comprehension 2) Which?of?the?following?is?(are)?true?for?anabolic?pathways? A) They?do?not?depend?on?enzymes. B) They?are?usually?highly?spontaneous?chemical?reactions. C) They?consume?energy?to?build?up?polymers?from?monomers. D) They?release?energy?as?they?degrade?polymers?to?monomers. Answer: C Topic: Concept?8.1 Skill: Knowledge/Comprehension 3) Which?of?the?following?is?a?statement?of?the?first?law?of?thermodynamics? A) Energy?cannot?be?created?or?destroyed.

Bob Jones PPT Notes -- Chapter 2c

Subject: 
Chemistry
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Physics
Chemical engineering
Condensed matter physics
thermodynamics
State functions
State of matter
Gas
Kinetic theory
matter
energy
Plasma
Phase
Environment

Section 2C States of Matter Kinetic-Molecular Theory All particles are in motion. Add energy = increase motion. Motion tries to tear apart matter. Attractive forces hold matter together. Attractive ? electrical, between particles Disruptive ? caused by kinetic energy (motion) Balance between these forces determines state. Kinetic-Molecular Theory Two Forces Solid Low energy Touching Locked in place Only vibrate (The inter-molecular forces are higher in energy than the kinetic energy.) 4 p. 41 of Chem. textbook Liquid More kinetic energy Still touching Not locked in place Can roll around (The intermolecular forces are almost equal to the kinetic energy.) 5 p. 41 of Chem. textbook Atoms are touching. Attractions are greater than repulsions. Atoms roll around. Atoms are small.

Bob Jones PPT Notes -- Chapter 2b

Subject: 
Chemistry
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Physics
thermodynamics
Chemistry
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Thermodynamic entropy
Heat transfer
Philosophy of thermal and statistical physics
Thermal energy
energy
Temperature
Entropy
Forms of energy
Environment

Energy and Matter Energy Energy the ability to do work Work Work a force moving matter through a distance Both energy and work are measured in joules (J). Forms of Energy Mechanical ? objects Kinetic ? moving Potential ? stored Thermal ? kinetic energy of atoms and molecules Forms of Energy Acoustic (sound) ? periodic, wave-like motion of atoms and molecules Electromagnetic ? moving electrons Chemical ? breaking and forming bonds Forms of Energy Nuclear ? from center of atom 6 Energy Conservation Despite Change ?the study of the flow of energy? Thermodynamics ?the law of conservation of mass-energy? (Conservation doesn?t refer to turning off the lights.) First Law of Thermodynamics ?the law of conservation of mass-energy?

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