Which one of the following is a compound? sugar chocolate chip cookies oxygen salt water
why is water considered a pure substance and not a mixture?
water can be separated physically into hydrogen and oxygen.
water is clear.
water can be separated chemically into hydrogen and oxygen.
water is not a pure substance. it is a mixture.
how can a mixture of pigments be separated?
filtration
crystallization
magnetic attraction
chromatography
Answers: 2
Chemistry, 22.06.2019 04:00
The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a
Answers: 3
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 11:00
Intermolecular forces. question i need with: the only intermolecular forces that affect non polar molecules are forces.
Answers: 2
Which one of the following is a compound? sugar chocolate chip cookies oxygen salt water
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History, 08.07.2019 06:30
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