Chemistry
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Science Bowl Question

📅 NSB 2017🎓 HS🔄 Round 8#️⃣ Q17❓ TOSS-UP📝 Multiple Choice

Consider the reaction of two moles of hydrogen gas and one mole of oxygen gas to generate two moles of steam. Which of the following statements is TRUE?

W) Delta H is greater than delta U
X) Delta H is less than delta U
Y) Delta H is equal to delta U
Z) Delta H is greater than delta U at high temperatures, but less at low temperatures
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