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Name Date Class
1 -9a Representing Organic Materials Worksheet
drocarbons are molecules composed of hydrogen and carbo@
makexact four-mam: these can be a. bination oi sing e, doub e or triple
lionds. When all bonds in the mgjgcule at in rl» bonds, t
Lab: The Law of Conservation of Matter and Balancing Eguations
Procedure: / e 1 O 7
1 Measure 60 ml. of NaOH solution in a graduated cylinder and then pour into a small clean plastic
cup. (3 oz)
2. Completely rinse the %aguated cylinder at the sink
~ q -7 i g ,
- it». .2
w l? b r Mama? DH ' L Date: 2
SIGNIFMT FIGUES AID SCIENTIFIC MAT"
Signicant gures indicate the degree of precision in a measurement. The signicant digits in a measurement
include all of the digits that you obtained directly with the
Multiple Choice (Choose the best answer.) \/
1. Standard temperature and pressure (STP) refers to which conditions?
\0\°C and 1 KPa
NC and 1 mm Hg
G-K and 1 KPa
\(LK and 1 atm
2. If 4 mgles of a gas are added to a container that already holds ng
Name: 0m C/b'g H n ck " Turn this page In with your project.
Criterion C: Knowledge and Understanding
The student does not reach a standard described by
an of the descri tors iven below
The student recalls some scientic ideas and
some ts and a lies these
6 \modce laving Redraws
ML itlék CV
.Da_ iD dfs
80 ex )rm/ Lwlccg
1. Write a balanced chemical equation for the reaction of calcium carbonate with hydrochloric
acid (include hases). .