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fomenos
2 years ago
8

PLEASE HELP FAST!!! Which is a characteristic of colloids?

Chemistry
2 answers:
Kazeer [188]2 years ago
8 0

Answer:

the answer is D. Are made up of at least two

Explanation:

took the test on edge

Morgarella [4.7K]2 years ago
3 0
D because the 2 substances are made up using colloids
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How many total atoms in the compound Al3NO2
evablogger [386]

Answer:

1 mole of aluminum must contain 6.022⋅1023 atoms of aluminium → this is known as Avogadro's constant.

Explanation:

5 0
3 years ago
Read 2 more answers
Please help due tomorrow
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6 0
3 years ago
A cube of an unknown metal measures 0.250 cm on one side. The mass of the cube is 0.134 g. Which of the following is most likely
rosijanka [135]

Answer:

8.58 g/cm3

Explanation:

density = mass / volume

be attention that the question gives u the length of

one side of the cube so u should calculate the volume

of the cube using your information of math .

1st we calculate the volume of the cube :

 V of cube = a 3= axaxa

                 = 0.250 x0.250 x0.250

                 = 0.0156 cm3

 2nd step

density = mass/volume

             =  0.134/ 0.0156 = 8.58 g/cm3

5 0
3 years ago
What mass of magnesium chloride is needed to make 100.0 mL of a solution that is 0.500 M in chloride ion?
miss Akunina [59]
M = n/V

.5M = n/.100 L

n = .1 L * .5M

n= .05 mols of MgCl2

mass of MgCl2 = .05 mols of MgCl2 * 95.211 grams/ 1 mol of MgCl2 

mass of MgCl2 = 4.76 grams

4.76 grams of MgCl2 is needed to make 100 ml of a solution that is .500M, in chloride ion. Bolded = confused
3 0
3 years ago
How do you think the temperatures of these two cooking appliances compare?
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What is the two coking appliances 

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3 years ago
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