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blagie [28]
3 years ago
10

Is a 10 carat gold ring considered a pure substance?

Chemistry
2 answers:
Marat540 [252]3 years ago
8 0
A 10 Karat gold is considered a homogeneous mixture, which would have copper and silver and is considered a mixture not a pure.
Fynjy0 [20]3 years ago
6 0
It is a pure substance
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If a .05 gram pill of aspirin is dissolved into 50 grams of water, what is the
soldi70 [24.7K]

Answer:

0.10 % w/w

Explanation:

The percent by mass (%w/w) is defined as one hundred times the ratio between the mass of solute (In this case aspirin, 0.05g) and the mass of solution (Mass solute + mass of water = 0.05g + 50g = 50.05g). The percent by mass is:

0.05g Aspirin / 50.05g * 100 =

0.10 % w/w

3 0
3 years ago
Distinguish between boiling, melting, and sublimation
Rashid [163]

Answer:

Boiling: The process of conversion from liquid to gas on heating is called boiling.

Example: Water on heating turns into water vapour.

Melting: The process of conversion from solid to liquid at room temperature is called melting.

Example: Ice cream melting at room temperature.

Sublimation: The Conversion of solid to gas directly is called sublimation.

Example: Camphor, Dry ice

Explanation:

Hope it helps you:))))

3 0
2 years ago
Show work please !!!!!!!!!
Alexxandr [17]
From the standards of the conversions of units:
1 in^3 = 0.01638 liters

To convert 320 in^3 into liters, we will simply use cross multiplication as follows:
displacement = (320 x 0.01638) / 1
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3 0
4 years ago
Please help !!!
stiv31 [10]

Answer:

2KClO3 》》2KCl +3O2

C+ O2》》CO2

number of C moles

Required O2 moles (According to the mole ratio )

Relevant to the first equation, find the moles the KClO3, which is used to produce that amount of O2 moles

Now you can find the mass of KClO3

I mentioned the useful steps which can guide you to get the answer.

Explanation:

5 0
3 years ago
If cells did not work together what would happen to the organisms
arlik [135]

Surely, If cells did not work together in an organism, there won't be formation of new cells and life process would stop

<h3>Living organisms </h3>

Living organisms; be it plants or animals are any organic or living system composed of cells and function as an individual entity.

  • All living organisms share a number of key characteristics or functions such as movement, respiration, homeostasis, reproduction, growth, evolution, competition and others.

  • Animals and plants also posess systems such as the digestive, skeletal, transport, nervous, excretory, respiratory and reproductive system.

  • Living organisms are also taxonomically classified as either unicellular microorganisms or multicellular plants and animals

So therefore, surely, If cells did not work together in an organism, there won't be formation of new cells and life process would stop

Learn more about living organisms:

brainly.com/question/17259533

#SPJ1

5 0
1 year ago
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