Hess's Law and Standard Enthalpies of Formation
Calculating reaction heats through additive steps and using standard enthalpies of formation to predict reaction enthalpy.
Key Questions
- Explain how to determine the energy of a reaction that is too dangerous or slow to perform in a lab.
- Construct an enthalpy change calculation using Hess's Law.
- Predict the enthalpy change of a reaction using standard enthalpies of formation.
Common Core State Standards
About This Topic
The Populist Movement was an agrarian revolt that challenged the power of railroads, banks, and the gold standard in the late 19th century. This topic covers the struggles of farmers facing falling crop prices and rising debt, the formation of the Farmers' Alliance, and the creation of the People's (Populist) Party. Students analyze the radical demands of the Omaha Platform and the significance of the 1896 election, featuring William Jennings Bryan's 'Cross of Gold' speech.
For 11th graders, this topic is essential for understanding the roots of modern populism and the debate over the role of the government in the economy. It highlights the tension between rural and urban interests. Students grasp these economic and political concepts faster through structured debates on the 'money question' and collaborative investigations into the Populist platform.
Active Learning Ideas
Formal Debate: Gold vs. Silver
Divide the class into 'Goldbugs' (bankers and businessmen) and 'Silverites' (farmers and miners). They debate whether the U.S. should stay on the gold standard or allow for the free coinage of silver to increase the money supply.
Inquiry Circle: The Omaha Platform
Small groups analyze the specific demands of the Populist Party in 1892 (e.g., direct election of senators, graduated income tax). They must identify which of these 'radical' ideas eventually became law during the Progressive Era.
Think-Pair-Share: The 'Cross of Gold' Speech
Students read the final paragraphs of Bryan's speech. They work in pairs to explain his use of religious imagery and why his message resonated so deeply with the struggling farmers of the West and South.
Watch Out for These Misconceptions
Common MisconceptionThe Populists were just 'grumpy farmers' who didn't understand economics.
What to Teach Instead
The Populists had a sophisticated understanding of how the railroad and banking systems were stacked against them and proposed innovative solutions like the 'sub-treasury' plan. Peer-led analysis of their economic proposals helps students see their intellectual depth.
Common MisconceptionThe Populist Party failed because its ideas were unpopular.
What to Teach Instead
While the party itself faded, almost all of its major platform ideas were eventually adopted by the major parties. A 'legacy check' activity helps students see the long-term success of Populist ideas.
Suggested Methodologies
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Frequently Asked Questions
Why did farmers want 'free silver'?
What was the significance of the 1896 election?
How did the Grange and the Farmers' Alliance lead to the Populist Party?
How can active learning help students understand the Populist movement?
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