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Physical quantities

AP Chemistry MIDTERM review D

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Chemistry
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Physical quantities
Sulfates
Desiccants
Solutions
Sodium compounds
Precipitation
solubility
Potassium chloride
Chemical reaction
Sodium sulfate
salt
Enthalpy

When water evaporates at constant pressure, the sign of the change in enthalpy: a. is negative b. is positive c. depends on the temperature d. depends on the volume of water e. does not exist because the enthalpy change is zero D 100 When water evaporates, the forces holding one water molecule to another water molecule (hydrogen bonds) must be broken. To break these connections, heat energy needs to be added. Therefore this is an endothermic process with a positive delta H. 1 D 200 D 300 2H2S + O2 ? 2S + 2H2O If 102 g of H2S are combined with 64 g of O2, what is the maximum mass of elemental sulfur that could be produced by the reaction? D 400 Fe2O3 + 3CO ? 2Fe + 3CO2

inorganic chemistry lab report: Calorimeter – the science of measuring Heat

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Chemistry
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Physical quantities
Calorimetry
Laboratory equipment
Heat transfer
thermodynamics
Calorimeter
Measuring instrument
Heat
Properties of water
Enthalpy
First law of thermodynamics
Temperature

Liu1 Experiment 8: Calorimeter ? the science of measuring Heat Objective: The objective of this experiment is to determine the specific heat capacity of an unknown metal and the heat of solution for the salt. Method: A calorimeter is a device used for calculate the enthalpy change of reaction, the science of measuring the heat of chemical reactions or physical change as well as heat capacity. The heat capacity of an object is the amount of heat needed to raise the temperature by 1K (or 1?C). The heat capacity of one gram of a substance is called its specific heat capacity.

inorganic chemistry lab report Density determination

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Chemistry
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Physical quantities
Density
Mass
Graduated cylinder
Kilogram
Oxygen
Ice
Liquid

1 Experiment 2: Determination of Density of a liquid and a solid Objective: The objective of this experiment is to determine the density of the unknown liquid and an unknown solid by measuring the mass and volume of them. Also, we measuring those data by displace water and using Excel to calculate. Method: For the first part of this experiment, we measure the mass and volume of unknown liquid five times using a 25-ml graduated cylinder. Then calculate the density. In order to get the density of the liquid, we use Excel to graph the data we get. The volume of the liquid is on the x-axis, the mass of the liquid is on the y-axis, and the slope the trend line will be the density we want.

inorganic chemistry lab report Al-Zn alloy

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Chemistry
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Atmospheric thermodynamics
Physical quantities
Thermodynamic properties
Ideal gas
State functions
Gas constant
Water vapor
ideal gas law
Air–fuel ratio
Gas
Hydrogen
Mass fraction

1 Experiment 7: Analysis of Aluminum ?Zinc Alloy Objective: The objective of this experiment is to determine the percent composition of Aluminum in an Aluminum-Zinc Alloy. In addition, we use Excel get the trendline equation of H2 gas and %Al. Method:

inorganic chemistry lab report Al-Zn alloy

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Chemistry
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Atmospheric thermodynamics
Physical quantities
Thermodynamic properties
Ideal gas
State functions
Gas constant
Water vapor
ideal gas law
Air–fuel ratio
Gas
Hydrogen
Mass fraction

5 Chemistry 181 Yeting Liu Fall 2014 Thu 7:30 Experiment 7: Analysis of Aluminum ?Zinc Alloy Objective: The objective of this experiment is to determine the percent composition of Aluminum in an Aluminum-Zinc Alloy. In addition, we use Excel get the trendline equation of H2 gas and %Al. Method:

AP-physics equation1

Subject: 
Physics
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Physical quantities
Mechanical engineering
Classical mechanics
Rotation
Angular momentum
Laws of science
Work
Equations of motion
Generalized coordinates

ADVANCED PLACEMENT PHYSICS 1 EQUATIONS, EFFECTIVE 2015 CONSTANTS AND CONVERSION FACTORS Proton mass, 271.67 10 kgpm -= ? Neutron mass, 271.67 10 kgnm -= ? Electron mass, 319.11 10 kgem -= ? Speed of light, 83.00 10 m sc = ? Electron charge magnitude, 191.60 10 Ce -= ? Coulomb?s law constant, 9 201 4 9.0 10 N m Ck pe= = ? i Universal gravitational constant, 11 3 26.67 10 m kg sG -= ? i Acceleration due to gravity at Earth?s surface, 29.8 m sg = UNIT SYMBOLS meter, m kilogram, kg second, s ampere, A kelvin, K hertz, Hz newton, N joule, J watt, W C? coulomb, C volt, V ohm, W 2 degree Celsius, PREFIXES Factor Prefix Symbol 1012 tera T 109 giga G 106 mega M 103 kilo k 10-2 centi c 10-3 milli m

College Physics Chapter 4 Notes

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Physics
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Force
Classical mechanics
Physical quantities
Mass
Isaac Newton
Normal force
Weight
newton's Laws of motion
Net force
Acceleration
Newton's law of universal gravitation
Inertia

Chapter 4 Notes: The Laws of Motion Forces Force ? push or pull on some object vector quantity Contact Forces ? result from physical contact between two objects Field Forces ? ?action-at-a-distance? gravity electric force magnetic force * The known fundamental forces in nature are all field forces In order of decreasing strength: strong nuclear force electromagnetic force weak nuclear force gravitational force Newton?s First Law An object moves with a velocity that is constant in magnitude and direction, unless acted on by a nonzero net force Net Force ? vector sum of all external forces exerted on an object Mass and Inertia Inertia ? tendency of an object to continue in its original state of motion Mass ? measure of an object?s resistance to changes in its motion due to force

Holt Physics Ch 1-2

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Physics
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Classical mechanics
kinematics
Physical quantities
motion
Acceleration
Velocity
Linear motion
Displacement
Mass
Motion graphs and derivatives
Rotation around a fixed axis

Holt Physics?Chapter 1 The Science of Physics Important Chapter 1 Topics: Physics (?the study of the physical world?-p.4) is an attempt to explain and understand the world around us--from tiny subatomic particles to massive swirling galaxies! The scientific method-p.6 Dimensional analysis, or the conversion algorithm-p.22 Significant figures-p.16 Scientific notation Chapter 2 Motion in One Dimension Section 2.1 Displacement and Velocity One dimensional motion=linear motion (back and forth) Frame of reference and relativity make physics easier Displacement is the difference between where something starts and where it ends up. It is expressed as ?x = xf ? xi where xf is the final position and xi is the initial position. (insert gecko picture from p.41)

Energy Notes

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Chemistry
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State functions
Physical quantities
Heat transfer
Enthalpy
thermodynamics
Calorimeter
Properties of water
Heat capacity
Enthalpy of vaporization
Heat
Chemical reaction
energy

preAP Chem 2013-2014 1 NOTES: Energy in Chemical Processes Name ______________________________ Period ________ Energy and Heat ? Energy is defined as the ability to do _________ or produce ___________; the sum of all potential and kinetic energy in a system is known as the internal energy of the system. It comes from the energy stored in ____________ (______________ energy) and from the ____________ of atoms and molecules (______________ energy). ? Heat is defined as the ______________ of energy from a warmer object to a cooler object. Do not confuse the terms heat and temperature. Heat is the _____________ of the energies of the molecules

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