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Lelechka [254]
2 years ago
14

Use exponential notation to express the number 12,500 to

Chemistry
1 answer:
Eva8 [605]2 years ago
6 0

1

2

5

Explanation:

start from the left tor right

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A measure of kinetic energy of particle motion within a substance is_____.
ratelena [41]

Answer: Option (c) is the kinetic energy.

Explanation:

The kinetic energy present within the particles of a substance is known as thermal energy. Measure of average kinetic energy of particles of a substance is known as temperature.

Whereas heat defined as the transfer of thermal energy from a hot object to a cold object.

Enthalpy is defined as the heat gained or lost by a substance in a chemical reaction.

Thermodynamics is the study of relation between heat and work with chemical or physical changes.

Thus, we can conclude that a measure of kinetic energy of particle motion within a substance is temperature.

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3 years ago
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How much heat is absorbed if a 30.0 gram sample of carbon is heated from 10.5 degrees Celsius to 22.2 degrees celsius
Vadim26 [7]

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2 years ago
In this experiment you used an excess of the BaCl2 solution. How would your results be affected if you did not use an excess of
Igoryamba

if we did not use an excess of the BaCl2 solution it would decrease the mass percentage of sulfate in the unknown sample.

The net precipitation equation would be.

Ba2+(aq) + SO42-(aq)  → BaSO4(s)

If BaCl2 (Ba2+) is not taken in excess then the precipitation would not be completed as some of the sulfate ions would still be remaining in the solution. This would decrease the mass percentage of sulfate in the unknown sample.

If some tiny pieces of filter paper still remained mixed with the precipitate(BaSO4) then the mass of sulfate would increase and it gives a high mass percentage of the sulfate.

mass percentage of sulfate = (mass of sulfate/mass of sample)*100

Learn more about precipitation here brainly.com/question/14675507

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2 years ago
PLEASE HELP ME!!!! ILL FIND A WAY TO GET YOU 100 POINTS!!!
Umnica [9.8K]

It’s c had this problem last week

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What action leads to crystal formation in minerals?
ArbitrLikvidat [17]
I believe c is the right answer.
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