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uranmaximum [27]
2 years ago
6

1. When conducting this experiment, some procedures call for heating the substance several times and recording the mass after ea

ch heating, continuing until the mass values are constant. Explain the purpose of this process and how it might reduce errors.
Chemistry
1 answer:
zvonat [6]2 years ago
3 0

The purpose of this process is to reduce the risk of having outliers of false results.

<h3> </h3><h3>What is a good scientific experiment?</h3>

It is important to bear in mind that a good scientific experiment usually tests one independent variable at a time, and that is why it is important to keep all other potential variables constant and to use a control group.

Although, the experiment you are referring to in your question is missing the general principle when conducting an experiment is the running of multiple tests before coming up with an actual test result.

Therefore, when completing a science experiment it is important to run multiple tests like heating the substance several times until a constant mass value is obtained,  in other to ascertain the results. the reason why such process is undertaken is to reduce the risk of having outliers of false results.  

A scientific experiment involves several procedures and this depends on the type and purpose of the experiment.

for example ;

An experiment with the purpose of determining how the mass of an object reacts to heat will require the mass of the object to be recorded  after heating the object/substance several times.

Hence we can conclude that the purpose of the process is to reduce the risk of having outliers of false results.

learn more about Scientific experiment at : brainly.com/question/13184032

#SPJ1

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fomenos

Answer:

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Explanation:

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3 years ago
Tin reacts with Fluorine to form two different compounds, A and B. Compounds A contains 77.0 g tin for each 24.6 g of fluorine.
Ratling [72]
A contains 38.5 g of tin for each 12.3 g of fluorine: 
<span>mole ratio: </span>
<span>(38.5 g)/(118.71 g/mol):(12.3 g)/(18.998 g/mol) = 0.324:0.647 = 1:2 ⇒ SnF₂ </span>

<span>B contains 56.5 g of tin for each 36.2 g of fluorine: </span>
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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.


</span>
3 0
3 years ago
Read 2 more answers
Solution of known concentration is called​
Vesna [10]

Answer:

standard solution

Explanation:

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3 years ago
When calculating the equilibrium constant, aqueous solutes must be expressed in moles per liter (M), and gases must be expressed
alukav5142 [94]

Answer:

B. They are dimensionless ratios of the actual concentration or pressure divided by standard state concentration, which is 1 M for solutions and 1 bar for gases.

Explanation:

Activity of a substance is defined as the ratio of an effective concentration or an effective pressure to a standard state pressure or a standard state pressure. It is usually a unit less ratio.

Concentrations in an equilibrium constant are really dimensionless ratios of actual concentrations divided by standard state concentrations. Since standard states are 1 M for solutes, 1 bar for gases, and pure substances for solids and liquids, these are the units to be used.

Hence, activity is a fudge factor to ideal solutions that correct the true concentration. Activity of a gas and solute concentration is a ratio with no unit.

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Andesitic rock is an igneous rock with a composition in between that of basaltic and granitic igneous rock.
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