Chemistry, 31.05.2020 07:57 mistermansour07
Nonpolar substances do not dissolve in polar solvents like water. If you are conducting an investigation to test the solubility of different substances, which of these substances do you expect to be insoluble in water?
(a) ammonia (NH3)
(b) hydrogen sulfide (H2S)
(c) hydrogen fluoride (HF)
(d) silane (SiH4)
Answers: 2
Chemistry, 22.06.2019 12:00, zamariahyou
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
Chemistry, 22.06.2019 12:30, hayleyconsole
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
Nonpolar substances do not dissolve in polar solvents like water. If you are conducting an investiga...
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