Thermochemistry!
Authored by Alycen Nigro
Chemistry
10th Grade - University
NGSS covered
Used 57+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
An endothermic reaction has a ΔH value that is greater than zero.
True
False
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-1
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Heat always flows from cold objects to hot objects.
True
False
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reactions where the energy of the reactants is greater than the energy of the products are called _____________.
Endothermic
Exothermic
Tags
NGSS.HS-PS1-4
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In an exothermic reaction, energy is being ________________.
absorbed
released
Tags
NGSS.HS-PS1-4
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which metal below would be the best conductor of energy? The Specific Heat values are in the table.
Iron
Copper
Titanium
Silver
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How much energy will be released when 2.65 g of CH3OH is combusted?
2 CH3OH (L) + 3 O2 (g) → 2 CO2 (g) + 4 H2O (g) + 5432 J
448 J
898 J
28800 J
225 J
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How many grams of water will be formed when 2564 J of energy is released?
2 CH3OH (L) + 3 O2 (g) → 2 CO2 (g) + 4 H2O (g) + 5432 J
8.51 g H2O
76.4 g H2O
121 g H2O
34.0 g H2O
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