Chemistry, 14.11.2019 20:31 ciarakelly636owuiup

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: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 09:30, becky060604

What is the mass of 0.46 mol of mgcl2

Answers: 3

continue

Chemistry, 22.06.2019 12:10, yootmytoot

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution. calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

Answers: 1

continue

Chemistry, 22.06.2019 19:00, innocentman69

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

Answers: 1

continue

Chemistry, 23.06.2019 07:00, jboii11

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o

Answers: 2

continue

You know the right answer?

Which criteria determine whether a heterogeneous mixture is a colloid or a suspension?

...