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Kilogram

Mole conversions - Notes

Subject: 
Chemistry
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Mass
Amount of substance
Chemical properties
SI base units
Units of mass
Mole
Atomic mass
Molar concentration
Molar mass
Chemistry
Gas constant
Kilogram

Chemical Quantities The MOLE CHAPTER 7 THE MOLE: A MEASUREMENT OF MATTER A mole (mol) is a unit of measurement Types of measurement include Counting/weighing/volume/ number of units Examples of other Quantitative measurement units Pair/Dozen/Ream Mole The term representative particles is a generic term that can refer to Atoms (single element), or Diatomic molecules (two of one type of element), or Formula units (what makes up an ionic compound) or Molecules (what makes up a molecular compound), or electrons or protons, or ions, etc Mole It is typically referred to as a mole of atoms or a mole of molecules A mole is also called Avogadro?s number For example: One mole would be 6.022 x 1023 representative particles Why use moles?

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.

Chapter 3

Subject: 
Chemistry
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Chemistry
SI base units
Mass
Chemical properties
Analytical chemistry
Molar mass
Mass fraction
Mass spectrometry
Mole
Kilogram
Molecular mass
Molar volume

Chapter 3.1 Average mass= total mass/ number of objects massed 3.2 Mass spectrometer- most accurate method currently availbe for comparing masses of atoms 3.3 Avogadro?s number- 6.022X 10^23 = one mole of something Molar mass- mass in grams of one mole of the compound g/mol Find on periodic table 3.5 Percent comp: Mass/ weight percent= (Mass of element in compound/ mass of compound)X100 3.6 Molecular formula= (empirical formula)n N is an integer To find molec formula take molar mass/ empirical formula mass and that is n SEE PAGE 96 IF CONFUSED
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Measurement Quiz

Subject: 
Physics
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measurement
Metrology
Systems of units
Kilogram
Mass
Size
Metric System
Measuring instrument
Introduction to the metric system
Standard
Technology
general science
measurment
quiz

NAME: PD: Measurement Quiz Answer #1-6 with choices found here: Balance Graduated cylinder Liter Meter Gram Ruler What is the base unit for mass? What is the tool used to measure mass? What is the tool used to measure volume? What is the unit in the metric system used to measure volume? What tool is used to measure length? What is the metric system unit for length? Completion If you have 3.4 mm, how many centimeters is that? How many grams are in a kilogram? What is the logical unit to use when measuring the mass of an elephant? What is the logical unit to use when measuring the mass of a paper clip? How many liters are in a milliliter? Give an example of something that it would be logical to measure with a liter?

sdsd

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English
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Physics
Introductory physics
State functions
Physical quantities
Density
Physical chemistry
Volume
Kilogram
Mass
Galileo thermometer

Density Lab Kiara Soto West Broward High School Mr.White September 11, 2013 II. What is the density of the cork, crayon and 2 unknown metal samples? III. Density is calculated by mass/volume. It can be found for any object or substance. Mass can be calculated from a triple beam balance and Volume from a graduated cylinder. As a liquid changes from gas, to liquid, to solid, it gains density. (n.d.). Retrieved from http://www.howstuffworks.com/dictionary/chemistry-terms/density-info.htm IV. If we test all the objects, the smallest metal object will be the densest. V. Beaker Cork Crayon Graduated Cylinder 2 Unknown metal samples Triple-Beam Balance VI. Gather all materials Measure the mass of each object

cc

Subject: 
English
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Tags: 
Physics
Introductory physics
State functions
Physical quantities
Density
Physical chemistry
Volume
Kilogram
Mass
Galileo thermometer

Density Lab Kiara Soto West Broward High School Mr.White September 11, 2013 II. What is the density of the cork, crayon and 2 unknown metal samples? III. Density is calculated by mass/volume. It can be found for any object or substance. Mass can be calculated from a triple beam balance and Volume from a graduated cylinder. As a liquid changes from gas, to liquid, to solid, it gains density. (n.d.). Retrieved from http://www.howstuffworks.com/dictionary/chemistry-terms/density-info.htm IV. If we test all the objects, the smallest metal object will be the densest. V. Beaker Cork Crayon Graduated Cylinder 2 Unknown metal samples Triple-Beam Balance VI. Gather all materials Measure the mass of each object
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