Ch.6 - Thermochemistry WorksheetSee all chapters
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Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds
Sections
Internal Energy
Calorimetry
Hess's Law
Enthalpy of Formation
End of Chapter 6 Problems
Additional Practice
Units of Energy
Endothermic & Exothermic Reactions
Additional Guides
Enthalpy
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Next SectionHess's Law

Solution: The specific heat of a certain type of metal is 0.128 J/(g•°C). What is the final temperature if 305 J of heat is added to 41.4 g of this metal initially at 20.0°C?

Problem

The specific heat of a certain type of metal is 0.128 J/(g•°C). What is the final temperature if 305 J of heat is added to 41.4 g of this metal initially at 20.0°C?

Solution
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Practice Problems
Two solids of equal mass, labeled X and Y, are pla...
How much energy is required to change the temperat...
The molar heat capacity of silver is 25.35 J/mol•°...
Three separate 3.5g blocks of Al, Cu, and Fe at 25...
Adding water to a steel pan on a flame slows the r...
When a 45.0 g sample of an alloy at 100.0 °C is dr...
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Calculate q (in kJ) when 2.00 g of water is heated...
A 1.00 g sample of NH 4NO3 is decomposed in a bomb...
Which substance (with specific heat capacity provi...
If three samples of silver, one with a mass of 10....
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Determine the specific heat capacity of an alloy t...
When 75.4 J of energy is absorbed by 0.25 mol of C...
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What is the specific heat of liquid water?
We pack two identical coolers for a picnic, placin...
Elements C...
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Under constant-volume conditions the heat of combu...
Coffee-cup calorimeter. This simple apparatus i...
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Hess’s law provides a useful means of calculating ...
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A 2.56 g sample of a substance suspected of being...
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To determine whether a shiny gold-colored rock is ...
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Suppose that 26 g of each of the following substa...
Suppose that 26 g of each of the following substa...
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Three common hydrocarbons that contain four carbon...
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Assume that the kinetic energy of a 1400 kg car mo...
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What is the heat capacity of 175 g of liquid wate...
How many kJ of heat are needed to raise the temper...
The specific heat of octane, C8H18 (l), is 2.22 J/...
Using information in Appendices B and C in the tex...
A coffee-cup calorimeter contains 150.0 g of wate...
A coffee-cup calorimeter contains 150.0 g of wate...
5.00 moles of an ideal gas are contained in a cyli...
Liquid sodium is being considered as an engine coo...
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A sample of copper absorbs 43.6 kJ of heat, result...
If you have 340.0 mL of water at 25.00 °C and add ...
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How much heat, in kJ, is required to raise the tem...
A house is designed to have passive solar energy f...
A coffee-cup calorimeter of the type shown in Figu...
A coffee-cup calorimeter of the type shown in Figu...
A coffee-cup calorimeter of the type shown in Figu...
A coffee-cup calorimeter of the type shown in Figu...
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NOTE: YOUR ANSWER SHOULD BE IN KJ/MolWhen 0.535 g ...
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An unknown mass of each substance, initially at 24...
An unknown mass of each substance, initially at 24...
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Consider the substances in Table 7‑1. Which substa...
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A 5.00-g sample of one of the substances listed in...
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An aluminum kettle weighs 1.05 kg.How much heat is...
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Use standard enthalpies of formation to calculate ...
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Palmitic acid (C16H32O2) is a dietary fat found in...
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