Classify these substances. More than one answer may apply in each case. H2 O, pure substance element element homogeneous mixture heterogencous mixture compound homogeneous mixture solution solution heterogeneous mixture compound O pure substance H,0 salt water heterogeneous mixture homogeneous mixture pure substance heterogeneous mixture solution U pure substance homogeneous mixture I element Ocompound solution element compound 0O000 0000O O OODO

Classify these substances. More than one answer may apply in each case. H2 O, pure substance element element homogeneous mixture heterogencous mixture compound homogeneous mixture solution solution heterogeneous mixture compound O pure substance H,0 salt water heterogeneous mixture homogeneous mixture pure substance heterogeneous mixture solution U pure substance homogeneous mixture I element Ocompound solution element compound 0O000 0000O O OODO

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section: Chapter Questions

Problem 15QRT: Beakers (a), (b), and (c) are representations of tiny sections (not to scale) of mixtures made from...

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A homogeneous mixture has non-uniformly distributed particles a uniform composition throughout not a uniform composition throughout more than one phase
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U eFu X NCH X NCH X ь Му х LU Oef x n Oef x U Oef x O Oef x LU Oef x U Oef x U 202 x n Oef x h Mic x A docs.google.com/forms/d/e/1FAlpQLSFSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 37: Give the preferred IUPAC name of the product of the reaction in Figure 37. [Use lowercase letters. Do not use spaces except where required in the official name.] * Jou antwoord Figure 37 CH3 1 LIAIH4 CH3-CH2-C-c=N 2 H* CH3 09:15 P Type here to search 25°C Sunny 2021/11/19
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LU eFu X NCH X E NCH X ь Му х LU Oef x n Oef x U Oef x U Oef x LU Oef x LU Oef x O 202 x LU Oef x Mic x i docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMj_g/formResponse Question 28: Why is the mechanism shown in Figure 28 not plausible? * The reagent does not have a good leaving group. Water is too weak a base for the reaction to occur. The structure of the haloalkane prevents the nucleophile from coming close to the alpha carbon atom. None of these statements are correct. All these statements are correct. Figure 28 :Br? CH3 CH3 H CH3 CHcBr CH3 CH,-c- ÖH CH3-C-0 H. CH3 H-ö: H 09:11 P Type here to search 25°C Sunny 2021/11/19
Consider the following data: HX → X- + H+ Ką = 6.61 · 10- 5 H2A + НА + Н + Ka = 2.68 · 10-7 Calculate the Keg for the following reaction: H2A + X¯ + HA¯ +HX Record your answer in scientific notation to 3 sig figs.