Chemistry, 29.08.2020 02:01 krystalScott17
Select the correct answer. Which criteria determine whether a heterogeneous mixture is a colloid or a suspension? A. whether its composition is uniform and transparent B. whether the particles do not settle for an extended period of time C. whether the ratio of components is fixed D. whether it can be separated into simpler substances through physical separation techniques
Answers: 3
Chemistry, 21.06.2019 23:00
Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende
Answers: 1
Chemistry, 22.06.2019 11:50
Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘
Answers: 2
Select the correct answer. Which criteria determine whether a heterogeneous mixture is a colloid or...
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