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4 years ago

Describe how to separate a mixture of sugar and water.

2 answers:

4 0

Evaporation can separate sugar and water the water will evaporate leaving you a sugar a dried up sugar scrub at the bottom of the pan how to evaporate you can put the sugar water on a pan and boil it well water evaporates leaving it to boil for a long time low back route the water to leave you with only sugar

Nonamiya [84]4 years ago

3 0

Let the water evaporate and you'll be left with the sugar, or boil the water and collect the steam. the sugar will be left in the container you boiled the water in and you'll still have the water from the steam.

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Which of the following explains how electricity flows? Protons flow from the positive end of a source towards the negative end.E

zalisa [80]

I know for a fact the answer would (not) be the last option. This would not be a way that electricity would be able to really flow.

Your correct answer would be of when the "e<span>lectrons flow from the negative end of a source towards the positive end."

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3 years ago

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3 years ago

All carbon ato ms have atomic number 6 but some have mass number 12 and others have mass number 14.what is a) the same b) differ

Setler [38]

Answer:

a) The similarities in their structure are;

1) The two isotopes have the same number of protons in their nucleus

2) The two isotopes have the same number of electrons in their orbit

3)The basic chemical properties of the two isotopes are the same

b) The differences in their structure are;

1) The number of neutrons in their nucleus are different

6 for carbon 12 and 8 for carbon 14

2) The structure of carbon 12 is stable while the structure of carbon 14 disintegrates

3) The isotopes have different densities, therefore, different packing

Explanation:

The atomic number is the number of protons in the nucleus of an atom

The mass number is the sum or total number of protons and neutrons in an atom

Given that the atomic number of all carbon atoms = 6

The number of protons in all carbon atoms = 6

Given that some of the carbon atoms have a mass number of 12 while others have a mass number 14, we have

Therefore, the number of neutrons in some of the carbon atoms = 12 - 6 = 6

The number of neutrons in the remaining of carbon atoms = 14 - 6 = 8

Therefore the carbon atom has two isotopes including ¹²₆C and ¹⁴₆C.

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4 years ago

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