Thermo Review

Quiz
•
Science
•
11th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sample of iron receives 50.J of heat energy that raises the temperature of the iron by 25.0°C. If iron has a specific heat of 0.10 J/g°C, what is the mass of the iron sample?
25g
30g
20g
50g
Tags
NGSS.HS-PS3-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the enthalpy of reaction (ΔH). 4CO2 (g) + 6H2O (g) → 2C2H6 (g) + 7O2 (g) ΔHfo [CO2(g)] = -393.5 kJ ΔHfo [H2O(g)] = -241.8 kJ ΔHfo [C2H6(g)] = -84.7 kJ
550.647 KJ/mol
2855.584 KJ/mol
-550.647 KJ/mol
-2855.584 KJ/mol
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-1
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
4 NH3 (g) + 5 O2 (g) ⟶ 4 NO (g) + 6 H2O (g)
Using the following information, calculate ΔH for the reaction shown above:
N2 (g) + O2 (g) ⟶ 2 NO (g) ΔH = -180.5 kJ
N2 (g) + 3 H2 (g) ⟶ 2 NH3 (g) ΔH = -91.8 kJ
2 H2 (g) + O2 (g) ⟶ 2 H2O (g) ΔH = -483.6 kJ
256.0 kJ
-1628.2 kJ
-6387 kJ
None of these
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A piece of metal with a mass of 32.8 g is heated to 100.5°C and dropped into 138.2 g of water at 20.0°C. The final temperature of the system is 30.2°C. What is the specific heat capacity of the metal? (show your work)
2.56 J/g°C
0.391 J/g°C
5.29 J/g°C
3.50 J/g°C
Tags
NGSS.HS-PS3-1
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How much energy must be used to produce 4.75 mol of gaseous water?
H2O (l) + 44.0 kJ --> H2O (g)
(Remember, coefficient of 1 = 1 mole)
207 kJ
9.36 kJ
206.8 kJ
9.362 kJ
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
300 mL of water at 95 ºC are added to 700 mL of water at 62.8 ºC. What is the final temperature of the full liter of water?
50 ºC
85.6 ºC
72.5 ºC
94.2 ºC
Tags
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What mass of P4 must be reacted to produce 5905 kJ of energy?
P4 + 6Cl2 --> 4PCl3 + 2439 kJ
25.43 g
563.0 g
2.421 g
300.0 g
Tags
NGSS.HS-PS1-4
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