Chemistry, 06.11.2020 01:00 jabariewalker2006
A chemist dissolved crystals of an unknown substance into water at room temperature. He found that 33 g of the substance can be dissolved into 100 ml of water. What property of the unknown substance was the chemist most likely investigating?
Answers: 1
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 02:00
What is the difference between a substance "getting wet" and "being dissolved" in a liquid at the particulate level?
Answers: 3
Chemistry, 23.06.2019 10:30
Most ionic compouds are crystalline solids at room temperature. true falseionic compounds are electrically neutral. true falseionic compounds generally have low melting points. true falsewhen melted, ionic compounds do not conduct electricity. true falsethe electrostatic attraction between an anion and a cation is an ionic bond. true false
Answers: 1
Chemistry, 23.06.2019 14:00
How does electronegativity changes as we move from left to right across a period
Answers: 2
A chemist dissolved crystals of an unknown substance into water at room temperature. He found that 3...
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