Chemistry, 06.04.2021 21:20 smokemicpot
A 123.04 sample of an unknown substance was heated from 25oC to 40oC. In the process, the substance absorbed 5653 J of energy. What is the specific heat of the substance.
Answers: 2
Chemistry, 22.06.2019 05:30
The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland
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Chemistry, 22.06.2019 17:30
Air can be considered a mixture. which statement does not explain why?
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Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 00:00
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
A 123.04 sample of an unknown substance was heated from 25oC to 40oC. In the process, the substance...
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