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SR Rxn Lab Quiz

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Last updated 4 months ago
11 questions
Read the SR RXN Lab before answering questions 1-8.
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REVIEW!
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Question 1
1.

What is the objective of this experiment?

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.

Question 9
9.

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Question 10
10.

Question 11
11.

Choose all that apply.
Which chemicals are being used in this experiment?
distilled water
salt water
copper (II) chloride
NaCl (table salt)
aluminum foil
Mg metal
What quantitative data will you record in this lab?
temperature change
teaspoons of CuCl2 needed
volume of gas formed
mass of chemicals used
What is the caution that you are given in the procedure?
Do not leave Bunsen burner unattended.
Do not use hot water when mixing the chemicals.
Do not directly inhale the vapors.
Do not directly touch the chemicals.
A change that produces a new substance is considered a
nuclear change
physical change
chemical change
physical or chemical - it depends on the context
Choose all that apply.
Examples of chemical properties include:
density
flammability
malleability
conductivity
odor
reactivity
Choose all that apply.
Examples of physical change include:
evaporating
rusting
density
freezing
burning
dissolving
What should you do first if you spill chemicals in lab?
Wipe the spill with the sleeve of your labcoat
Tell your teacher
Clean up the spill with paper towels
Obtain more chemicals
Match the term to its definition.
coefficient
abbreviation for a specific element
reactant
a collection of symbols and formulae which describes a chemical reaction
product
abbreviation for a specific compound
subscript
a process where atoms rearrange to form new substances
chemical formula
a starting substance in a chemical reaction
symbol
what forms as a result of a chemical reaction
chemical reaction
in 4H3C2H5O7 , the number 4
chemical equation
in 4H3C2H5O7 , the number 7
Match the symbol with the meaning of the symbol in a chemical equation:
(g)
(s)
⬆️
➡️
⬇️
(aq)
yields/produces
aqueous/dissolved
forms a gas
forms a precipitate
in the solid state
in the gaseous state
Identify each chemical equation as one of the 5 types of reactions.
Se + O2→ SeO
PF3 → P + F2
CoSO4 + KHCO3 → K2SO4 + Co(HCO3)2
C11H15 + O2 → CO2 + H2O
WO3 + H2 → W + H2O
A + B → AB
ABC → A + BC
CxHy + O2 → CO2 + H2O
AB + C → CB + A
AB + CD → AD + CB
Synthesis
Decomposition
Combustion
Single Replacement
Double Replacement