5.031 – Calculate qH2O and ∆H°
OWLv2 for General Chemistry
Cengage
01st Edition
x grams of a compound is dissolved in x grams of water. What is the q for water and the ∆H°?
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x grams of a compound is dissolved in x grams of water. What is the q for water and the ∆H°?
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Complete the table Joule, kcal, kJ
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A wind turbine can power x homes using x joules of energy. How many kilowatt-hours is this?
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It takes x BTUs to heat a house of x sqft, how many kJ of energy is this?
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Gas is either compressed or expanded. Joules of work and heat are given. You are also told if the surroundings does the work or has work done to it and if heat is absorbed from the surroundings or lost to the surroundings. Calculate the change in internal energy.
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In the lab a student discovers x Joules are needed to increase the temp of x grams of an item from x degrees to x degrees. You are asked for the specific heat.
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You need to determine the amount of energy used to change the temperature of x grams of a substance from x degrees to x degrees.
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A sample of a substance has x joules of energy and x grams. You are given either the initial temperature or the final temperature and asked for the other. This solver works to solve for either initial or final temperature.
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An electric burner weighs x grams and after reaching a temperature is cooled to x degrees. Grams and two temperatures of water are also given. What is the specific heat of the burner?
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A chunk of a substance weighs x grams and has a temp of x degrees. You place it in a cup with water. What is the final temperature of the water?
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