Thermochemistry

10th Grade - University

•

15 Qs

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Thermochemistry

Quiz

•

Chemistry, Physics

•

10th Grade - University

•

Practice Problem

•

Hard

•

NGSS

HS-PS3-4, HS-PS1-4, HS-PS3-1

Standards-aligned

Angela West

Used 40+ times

FREE Resource

15 questions

Show all answers

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Calculate the amount of heat liberated from 366g of mercury when it cools from 77.0^oC to 12.0^oC. Specific heat of Hg = 0.140kJ/g*^oC

Answer explanation

Include your units

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

FILL IN THE BLANK QUESTION

5 mins • 1 pt

A 12.1g piece of aluminum at 81.7^oC is placed in a calorimeter containing water at 23.4^oC. If the final temperature of the system is 24.9^oC, what is the mass of the water? specific heat of Al = 0.900 J/g^oC; specific heat of water = 4.184 J/g^oC

Answer explanation

Include your units

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

FILL IN THE BLANK QUESTION

15 mins • 1 pt

Calculate the standard enthalpy change for the reaction :
2Al_(s)+Fe₂O_3(s) --> 2Fe_(s) + Al₂O_3(s)
given that:
2Al_(s)+3/2O_2(g) --> Al₂O_3(s) ΔH^o_rxn=-1669.8kJ/mol
2Fe_(s)+3/2O_2(g) --> Fe₂O_3(s) ΔH^o_rxn=-822.2kJ/mol

Answer explanation

Include your units

Tags

NGSS.HS-PS1-4

FILL IN THE BLANK QUESTION

15 mins • 1 pt

Calculate the enthalpy change for the reaction:
2C_(graphite)+3H_2(g)--> C₂H_6(g)
given that:
C_(graphite)+O_2(g) --> CO_2(g) ΔH^o_rxn= -393.5kJ/mol
H_2(g)+1/2O_2(g) --> H₂O_(l) ΔH^o_rxn= -285.8kJ/mol
2C₂H_6(g)+7O_2(g) --> 4CO_2(g)+6H₂O_(l) ΔH^o_rxn= -3119.6kJ/mol

Answer explanation

Include your units

Tags

NGSS.HS-PS1-4

FILL IN THE BLANK QUESTION

15 mins • 1 pt

Given the following data:
H_2(g) --> 2H_(g) ΔH^o_rxn= 436.4kJ/mol
Br_2(g) --> 2Br_(g) ΔH^o_rxn= 192.5kJ/mol
H_2(g)+ Br_2(g) --> 2HBr_(g) ΔH^o_rxn= -72.4kJ/mol
Calculate ΔH^o_{rxn for}
H_(g) + Br_(g) --> HBr_(g)

Answer explanation

Include your units

Tags

NGSS.HS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Heat flows from _ to objects

cooler to warmer

warmer to warmer

warmer to cooler

cooler to cooler

Tags

NGSS.HS-PS3-4

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The transfer of thermal energy between objects of different temperatures is called...

temperature

heat

internal energy

none of these

Tags

NGSS.HS-PS3-4

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Thermochemistry

15 questions

Calculate the amount of heat liberated from 366g of mercury when it cools from 77.0^oC to 12.0^oC. Specific heat of Hg = 0.140kJ/g*^oC

Include your units

A 12.1g piece of aluminum at 81.7^oC is placed in a calorimeter containing water at 23.4^oC. If the final temperature of the system is 24.9^oC, what is the mass of the water? specific heat of Al = 0.900 J/g^oC; specific heat of water = 4.184 J/g^oC

Include your units

Calculate the standard enthalpy change for the reaction :
2Al_(s)+Fe₂O_3(s) --> 2Fe_(s) + Al₂O_3(s)
given that:
2Al_(s)+3/2O_2(g) --> Al₂O_3(s) ΔH^o_rxn=-1669.8kJ/mol
2Fe_(s)+3/2O_2(g) --> Fe₂O_3(s) ΔH^o_rxn=-822.2kJ/mol

Include your units

Calculate the enthalpy change for the reaction:
2C_(graphite)+3H_2(g)--> C₂H_6(g)
given that:
C_(graphite)+O_2(g) --> CO_2(g) ΔH^o_rxn= -393.5kJ/mol
H_2(g)+1/2O_2(g) --> H₂O_(l) ΔH^o_rxn= -285.8kJ/mol
2C₂H_6(g)+7O_2(g) --> 4CO_2(g)+6H₂O_(l) ΔH^o_rxn= -3119.6kJ/mol

Include your units

Given the following data:
H_2(g) --> 2H_(g) ΔH^o_rxn= 436.4kJ/mol
Br_2(g) --> 2Br_(g) ΔH^o_rxn= 192.5kJ/mol
H_2(g)+ Br_2(g) --> 2HBr_(g) ΔH^o_rxn= -72.4kJ/mol
Calculate ΔH^o_{rxn for}
H_(g) + Br_(g) --> HBr_(g)

Include your units

Heat flows from _ to objects

The transfer of thermal energy between objects of different temperatures is called...

When thermal energy is added to a substance, the substance's particles move:

Heat transfer by conduction occurs when...

Heat transfer by convection occurs when...

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Discover more resources for Chemistry

Thermochemistry

15 questions

Calculate the amount of heat liberated from 366g of mercury when it cools from 77.0oC to 12.0oC. Specific heat of Hg = 0.140kJ/g*oC

Include your units

A 12.1g piece of aluminum at 81.7oC is placed in a calorimeter containing water at 23.4oC. If the final temperature of the system is 24.9oC, what is the mass of the water? specific heat of Al = 0.900 J/g*oC; specific heat of water = 4.184 J/g*oC

Include your units

Calculate the standard enthalpy change for the reaction :2Al(s)+Fe2O3(s) --> 2Fe(s) + Al2O3(s) given that:2Al(s)+3/2O2(g) --> Al2O3(s) ΔHorxn=-1669.8kJ/mol2Fe(s)+3/2O2(g) --> Fe2O3(s) ΔHorxn=-822.2kJ/mol

Include your units

Calculate the enthalpy change for the reaction:2C(graphite)+3H2(g)--> C2H6(g)given that:C(graphite)+O2(g) --> CO2(g) ΔHorxn= -393.5kJ/molH2(g)+1/2O2(g) --> H2O(l) ΔHorxn= -285.8kJ/mol2C2H6(g)+7O2(g) --> 4CO2(g)+6H2O(l) ΔHorxn= -3119.6kJ/mol

Include your units

Given the following data:H2(g) --> 2H(g) ΔHorxn= 436.4kJ/molBr2(g) --> 2Br(g) ΔHorxn= 192.5kJ/molH2(g) + Br2(g) --> 2HBr(g) ΔHorxn= -72.4kJ/molCalculate ΔHorxn for H(g) + Br(g) --> HBr(g)

Include your units

Heat flows from _______ to ______ objects

The transfer of thermal energy between objects of different temperatures is called...

When thermal energy is added to a substance, the substance's particles move:

Heat transfer by conduction occurs when...

Heat transfer by convection occurs when...

Create a free account and access millions of resources

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Calculate the amount of heat liberated from 366g of mercury when it cools from 77.0^oC to 12.0^oC. Specific heat of Hg = 0.140kJ/g*^oC

A 12.1g piece of aluminum at 81.7^oC is placed in a calorimeter containing water at 23.4^oC. If the final temperature of the system is 24.9^oC, what is the mass of the water? specific heat of Al = 0.900 J/g^oC; specific heat of water = 4.184 J/g^oC

Calculate the standard enthalpy change for the reaction :
2Al_(s)+Fe₂O_3(s) --> 2Fe_(s) + Al₂O_3(s)
given that:
2Al_(s)+3/2O_2(g) --> Al₂O_3(s) ΔH^o_rxn=-1669.8kJ/mol
2Fe_(s)+3/2O_2(g) --> Fe₂O_3(s) ΔH^o_rxn=-822.2kJ/mol

Calculate the enthalpy change for the reaction:
2C_(graphite)+3H_2(g)--> C₂H_6(g)
given that:
C_(graphite)+O_2(g) --> CO_2(g) ΔH^o_rxn= -393.5kJ/mol
H_2(g)+1/2O_2(g) --> H₂O_(l) ΔH^o_rxn= -285.8kJ/mol
2C₂H_6(g)+7O_2(g) --> 4CO_2(g)+6H₂O_(l) ΔH^o_rxn= -3119.6kJ/mol

Given the following data:
H_2(g) --> 2H_(g) ΔH^o_rxn= 436.4kJ/mol
Br_2(g) --> 2Br_(g) ΔH^o_rxn= 192.5kJ/mol
H_2(g)+ Br_2(g) --> 2HBr_(g) ΔH^o_rxn= -72.4kJ/mol
Calculate ΔH^o_{rxn for}
H_(g) + Br_(g) --> HBr_(g)

Heat flows from _ to objects