Chemistry, 29.01.2020 17:00 madinaxoxo605
All substances have characteristic properties. if one of these properties can be observed without changing the identity of the substance, it must be a:
( explain! )
universal property
physical property
biological property
chemical property
Answers: 1
Chemistry, 22.06.2019 04:50
The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion
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Chemistry, 22.06.2019 20:30
A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction
Answers: 2
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, 22.06.2019 23:30
The ammonia molecule in the diagram has the observed bond orientation because
Answers: 1
All substances have characteristic properties. if one of these properties can be observed without ch...
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