Energy, Matter and Temperature
You may use your notes from the last three days to answer the following questions.
Write the correct letter next to the definitions below. You WILL use answers MORE than once. .
_1. Measurement of A
To use chromatography to distinguish between 4 types of black ink.
Chromatography is a technique used by scientists to bring about a separation of fairly
complex mixtures. The term "Chromatography" tra
C h e mistry
1. Physical propertiesarethosethat(involve,dontinvolve )changesinc o mposition.
2. List3 qualitativedescriptionsofmatter:_
3. List3 quantitative descri
C h e mistry
2. Onp4findandwriteoutthedefinitionfor Chemistry.
3. List 5 Examples of Matter: 1.)_
4. Whatis Matter?_
Metric Measurement Activity
Directions:Using a meter stick, measure the following items located in the classroom.
1. Length of white board
2. Width of white board
3. Height of chair
4. Length of a pencil
Graphing with Excel: Heat Transfer Lab
1. Double click on Microsoft Office icon on the desktop.
2. Double click on Excel.
3. Enter the word time in column A then underneath place your time data in column A.
4. Enter the word HOT in column B then underneat
Lab Partners: _
Density of Pennies Lab
U.S. pennies have been composed of copper and zinc since 1959, but the ratio of
copper to zinc has changed over the years. Copper and zinc are both metallic
elements and they share many ph
Sample Problems: What is the density of a sample of lead with a mass of 49.33g and a
volume of 4.35cm3?
2. What is the density of a cube of silver with a mass of 787g if it measures 10cm on a
3. A student in lab is
Quantitative (definite form, ie. numbers) vs. Qualitative Measurement (description)
-science tends to expect exact numbersquantitative
This child has a temperature of 1020F vs. This child feels hot.
System of MeasurementMetric System
Observation of a Candle
You have seen candles burn, perhaps on a birthday cake. But you probably
have never considered the burning of a candle from a chemist's point of view.
Michael Faraday, a 19th-century chemist, found much to observe a
Worksheet : Elements, Compounds, Mixtures
Determine if each of the following is an element, mixture, or compound.
If it is a mixture, indicate whether it is homogeneous or heterogeneous.
Single Replacement: Metal + Acid
For each of the following, complete the word equation on the first line and write the balanced
equation on the second line.
1. Magnesium + Nitric acid _
2. Aluminum + sulfuric acid _
General Chemistry Problems
For each problem, clearly show the equality and the problem set up that you're
200 nails have a mass of 23.7g. How many nails will be in 895g of nails?
One kilogram is equivalent to 2.2 lbs. How much would someone m
L3 CHEMISTRY MIDTERM REVIEW
Friday Jan 18th, Essay Day:
The components of Chemistry are extremely small, therefore chemists use models in order to represent and
understand information on the subatomic level. Many of the models we use can t
Units of Measurement:
General Chemistry: % Composition Lab
Some compounds exist in nature as hydrated compounds. That means that the crystal form of
the compound includes in its structure some water molecules. The formula for such a hydrated
compound will always include
Notes on Moles
1 mole of
1 mole of
1 mole of any element = _of that element
1 mole of any element = _atoms of that element
56 grams of Na = _moles
TERNARY COMPOUNDS (IONIC)
NAME THE FOLLOWING COMPOUNDS: (For Group B Transitional metals use both
the Roman Numeral and ic or ous suffix.)
1. (NH4)2SO4 _
2. ZnCO3 _
3. Al(C2H3O2)3 _ 4. Ba(NO3)2 _
5. SrCO3 _
6. Al2(CrO4)3 _
Chapter 4: Atomic Structure
Daltons Atomic Theory
All elements are composed of _indivisible
Atoms of the same element are_. Atoms of
different elements are _.
Atoms of different elements can _mix