Chemistry, 15.04.2021 20:10 princess239
You have twisted your ankle and need to apply a cold pack. You squeeze the bag and as the chemical reaction occurs, you can feel that the pack is getting colder. How would you classify this type of reaction? Using what you understand from our lessons in unit 4, explain how the heat transfers between the cold pack and your skin? Also, describe how the law of conservation of energy applies to this system.
Answers: 2
Chemistry, 22.06.2019 10:50
How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
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Chemistry, 22.06.2019 12:00
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Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
You have twisted your ankle and need to apply a cold pack. You squeeze the bag and as the chemical r...
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