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zmey [24]
4 years ago
12

Which explains one reason evaporation can be used to separate a mixture?

Chemistry
1 answer:
Vlada [557]4 years ago
8 0

Answer:

its the first one

Explanation:

if only one mixture boils the other will stay as the boiling one will evaporate

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Why is the C-14/C-12 ratio used to date once-living organisms?
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D. An organism stops taking in carbon when it dies.
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3 years ago
Describe an advantage of using dry ice to ship cardboard cartons of ice cream over long distances
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Dry ice last longer then normal ice and it stays in its form longer buy in bulk from certain places may be cheaper. When ice is being shipped for a longer amount of time it will keep the ice cream colder because it last much longer and gets to -78.5 c or -109.3 f
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4 years ago
Consider a gray and opaque surface at 0°c in an environment at 25°C. The surface has an emissivity of 0.8. if the radiation in
valina [46]

The radiosity of this surface is 299.95W/m².

<h3>Calculation :</h3>

Given, € 0.8

Ta=0°C 273K

For opaque body., T = 0

a+ p = 1

€ = a (Kirchoff's Law)

p = (1-E)

Radiosity = leaving energy from the surface

= px 240 +€σT4

= (1-E) × 240 +0.8 x 5.67 x 10-8 (2734)

= (1-0.8) × 240 +0.8 x 5.67 × 10-8 (2734)

= 299.95W/m²

So, now after doing the calculations we can say that the radiosity of the surface was 299.95W/m².

To know more about Radiosity please click here : brainly.com/question/14937321

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7 0
2 years ago
Diffusion occurs faster in gases than in liquids because _____.
zalisa [80]
Diffusion occurs faster in a gas than in liquids because in a liquid the molecules are closser together and in a gas they are farther appart
6 0
4 years ago
Read 2 more answers
An ion of iron has an 26 protons, 30 neutrons, and 23 electrons. what are its atomic number, atomic mass, and net charge?
Murrr4er [49]

Answer:

Z=26, A = 56, charge +3.

Explanation:

The atomic number is represented by Z. Is equal to the total number of protons that the atom has.  Z=26.

The atomic mass is represented by A. The number results from the total sum of protons and neutrons of an atom.  Both particles have a weight of 1 uma, are in the nucleus and give the mass to the atom.

Mass number (A) = atomic number (Z) + number of neutrons (N)

                        A = 26 + 30

                        A = 56

The net charge of the atom can be calculated by subtracting the negative charges from the positive ones. The positive charges come from the protons and the negative ones from the electrons.

26-23=3

This iron ion has a positive charge +3.

6 0
3 years ago
Read 2 more answers
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