Chemistry, 20.11.2020 14:00 djcloverman3593
1. For a mixture of pure hexane and pure dimethylformamide, the dimethylformamide layer will be found as:.a. the top layer. b. the bottom layer. c. neither; the two solvents are miscible. d. cannot determine.2. To extract aniline (CeH5NH2) from a solution of chloroform, one would use:.a. aqueous HCI. b. aqueous NaOH. c. aqueous NaHCO3.d. either b or c would work.3. For mixture of methylene chloride and diethyl ether, the diethyl ether layer will be found as:.a. the top layer. b. the bottom layer. c. neither; the two solvents are miscible. d. cannot determine.4. To extract benzyl alcohol (CeH5CH2OH) from a solution of chloroform, one would use:.a. aqueous HC b. aqueous NaOH. c. aqueous NH3.d. either B or C would work.5. A large partition coefficient for the extraction of naphthalene into diethyl ether from water means that naphthalene will be found:.a. only in the water layer. b. only in the diethyl ether layer. c. mostly in the water layer. d. mostly in the diethyl ether layer.
Answers: 3
Chemistry, 22.06.2019 02:30
Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1
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Chemistry, 22.06.2019 14:20
7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic
Answers: 1
1. For a mixture of pure hexane and pure dimethylformamide, the dimethylformamide layer will be foun...
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